All posts by Thomas Witherspoon

Articles, Digital Modes, Guest Posts, How To, News, QRP

Getting Started with HF Digital Modes (Without Breaking the Bank)

23 Comments

Many thanks to Joe (N0LSD) who shares the following guest post:

Getting Started with HF Digital Modes – Without Breaking the Bank

by Joe (N0LSD)

Amateur radio can be an expensive hobby:  the reasons are myriad, made more difficult for newcomers because they tend to not have the experience to know what their requirements might be.  Brick-and-mortar stores where one might bounce ideas off knowledgeable staff, browse the aisles, and walk away with a suitable set-up are pretty few and far between.  Similarly, asking on various internet forums will often be met with, “It depends…” –followed by a wall of text filled with jargon and terminology that can be…intimidating.

For newcomers that maybe don’t have the time to invest in learning CW right off the hop, and perhaps get a bit of mic fright, digital modes such as FT8, JS8, and the like tend to be a great fit.  While “shack-in-a-box” solutions by the big-name manufacturers offer convenience, this convenience comes at a price that can be cost-prohibitive.

What follows is a QRP digital modes kit that I’ve experimented with over the last year.  No single piece of this kit cost more than US$150, and the entire kit can be had for under US$600.  What’s more, nearly everything can be purchased from Amazon.

We’ll start with the most expensive part of this kit:  the radio, which is the Tr(u)SDX.  It can be had on Amazon for US$138, and covers 20m, 30m, 40m, 60m, and 80m bands.  It is a quirky little radio with a sub-par speaker and a tiny little microphone.

The Tr(u)SDX is just about as bare-bones as one can get with an HF transceiver, and is decidedly a compromise.  However, unlike other ultra-compact transceivers, this one will do CW, it will do voice, and it will do *any* digital mode.  It can run on USB power at 1 watt output (micro-USB port on the side of the case); but it can also run on 12v (nominal) power via a 5.5mm x 2.1mm barrel connector on the top of the unit.

I’m powering this radio with a US$43 battery bank (Romoss Sense8P+), and a USB-C to 5.5 x 2.1mm cable (US$8.99) –both available on Amazon.  This battery bank will keep the Tr(u)SDX going for hours –long enough to do multiple POTA activations.  And, because there’s no special adapters, the battery bank can be re-charged in the same manner as a cell phone –or even off a small solar panel.

The sound card interface is the Digirig (US$57) with a US$19.97 cable that is TRRS 3.5mm on one end, and breaks out separate Mic and Speaker 3.5mm TRS.  Now, I will say that a recent firmware revision on the Tr(u)SDX has been demonstrated by the developers of the radio to allow for audio through the micro-USB connector of the radio – so the use of a sound card interface *may* be redundant.  However, in viewing the demonstration video for this, it seems rather dependent upon finding the right micro-USB to USB-A cable; with no clear indication on where one can obtain a cable that meets the specification.  Now, add a USB-C to USB-A or a USB-C to USB-C cable to interface with the computing device, and we’re in business!

So far we have a radio, power, and a way to get sound in and out of the radio.  Now, let’s talk about antennas.  Of course, one can homebrew an antenna for the cost of parts and time in construction and testing.  For the kit I’m using, I went with the N9SAB OCF Dipole –specifically because I do a lot of 80m QRP work.  Also available from N9SAB is a 6m-80m random-wire end-fed for US$89.99 from his eBay store.

If using a non-resonant antenna, an antenna tuner will be needed:  I went with the ATX-100 (US$126 from Amazon).  The reason I went with this is because it recharges with USB-C, which is consistent with everything else in this kit.

For coax, I personally use Times Microwave LMR-240 –a 50-foot length terminated in BNC is US$65 on Amazon.  For something less bulky, perhaps RG-316 from ABR Industries (abrind.com) might fit the bill  The ABR-240 coax at 50-feet in length is US$58.  For a jumper from the tuner to the radio, I use a 3ft RG316 cable from Amazon – which cost me US$13.99.

All that’s left is a device to run software…this can be a Raspberry Pi, or one’s laptop, certainly –however, these are bulky and require special power…and are a pain to re-charge easily.  Another solution is something one might already have:  an Android smartphone.  There are apps (some free, some paid) for RTTY, PSK31/63, WSPR, SSTV – these have been out for some time.  Additionally, one can do many of the modes contained in FLDigi, using the AndFLMsg app (not available on the Play Store –one has to download the .apk file from a 3rd party).  However, what I’ve been using –especially on POTA activations – is FT8CN.  This allows for full-function FT8 using just an Android phone –which can also be charged via USB-C.

[Note: eBay, Amazon and ABR links below are affiliate/partner and support QRPer.com at no cost to you]

Tr(u)SDX $138.00 Amazon
N9SAB Random Wire End-Fed $89.95 N9SAB eBay Store
ATU-100 Antenna Tuner $126.00 Amazon
RG316 Coax Jumper (3ft) $13.99 Amazon
USB-C to 5.5×2.1mm cable $8.99 Amazon
ABR-240 50 ft Coax $58.00 abrind.com
Romoss Sense8P+ Battery Bank $42.99 Amazon
DigiRig MobileSoundcard Interface $49.97 digirig.net/store
uSDX Cable for DigiRig Mobile $19.97 digirig.net/store
Total $547.86

This kit is –for sure– a compromise:  one isn’t going to bust pile-ups or win contests with it  However, for a “starter kit” that can easily be carried in a small backpack that can not only be used for HF digital modes, but also can do SSB voice and CW, it will at least get an operator on the air and enjoying the bands –without breaking the bank.

Accessories, Antennas, News

Gordon’s Simple AM-801 Alligator Clip Mod

4 Comments

Many thanks to Gordon (KF5JWL) who writes:

Tom,

I’ve been thinking about this for a while and finally tried it.

I attached an alligator clip to the AM-801 [window antenna mount] so it could be used to connect a counterpoise. Turns out alligator clips (at least the Mueller version I had lying around) have a toothy clip part at one end and a banana jack or socket at the other end. I didn’t want to go down the Google rabbit hole to find out if this is standard on all alligator clips. The clip also has a 6-32 threaded hole between the two ends so I drilled a clearance hole (using a #28 drill) in the AM-801 near the edge and attached the clip with a stubby 6-32 screw.

My trusty automatic center punch apparently failed to make a significant impression in the AM-801 so my drill bit wandered somewhat and the resulting hole was not exactly where I wanted it but I was still able to connect the alligator clip.

73,

Gordon KF5JWL

Thanks, Gordon! That’s a clever addition to the AM-801. Thank you for sharing it with us.

Guest Posts, Morse Code, News, Portable, QRP

16th Floor QRP: Coffee break portable at the office

13 Comments

Many thanks to Bill (KG4FXG) who shares the following guest post:

Return to the Office:  Operating portable during coffee breaks (Atlanta to England)

by Bill Carter (KG4FXG)

Have you ever thought about operating from your work location?  Perhaps during lunch or a coffee break?  What if that location was downtown in a big city?

In my case, I work in a 17 floor Skyscraper.

The building has several large outside balconies on the 5th, 10th, and 17 floors.  There is also a green space on the 5th floor that is a grassy area with a lawn and trees.  What are all the possibilities here for portable operation? Let’s find out!

Amateur Radio is about learning, and to that end we may build antennas, perhaps QRP Rigs, and other things.  I’ve been building many QRPGuys and Tufteln antennas.  I also use a few that I’ve purchased, such as the Chelegance MC-750, AX1, Gabil Vertical Antenna GRA-7350TC [gear links below].

Sometimes, the weather does not play nice and I’m forced to try operating indoors.  Here I am using the Chelegance MC-750 on the 16th floor where I have clearance all the way to the top of the 17th floor.

The antenna almost touches the ceiling on the 17th floor.  I was able to make a contact in England: John G4RCG.  His location was in Kirkhamgate, Wakefield–about 11 miles from Leeds. We were able to exchange names but that was about it on 20M.

This antenna is amazing, I can’t wait to try it outside in our green space.

I was using the Elecraft KX2 but I have several QRP Rigs that I have brought to the office.  Such as the Norcal 40, Elecraft K1, both of which were kits I built.  I started QRP back in 1999 before there was POTA.  Back then, you had to build your radio.  Most did back then.

Learning about propagation has been interesting.  It is not ideal to operate indoors.  One simple way I test conditions is to see if I can hit the reverse beacon network.

Here’s a screenshot of the Reverse Beacon (below) while I was using the Chelegance MC-750 on 20 meters:

(Click to enlarge)

Simple Office Setup

I work for the railroad.  You will notice my mug says Taggart.  Some humor here, but that is from Ayn Rand’s Atlas Shrugged.  Story about a railroad and so much more.

Here is the Green Space on the 5th floor.  Could you use this space for portable operations?

Here is pictured where I operated off the 10th floor balcony.  The view is amazing!

For the balcony, I just throw a wire over the glass railing.  The balcony is huge with many tables and chairs for lunch.  I have used K4SWL’s Speaker Wire antenna build here.

My hours are very unusual.  I normally work from 2AM to 5PM and I leave to drive home at 11AM.  I love telecommuting for work these days.  So, when I operate, it is around 3AM or 4AM.  Not ideal times for POTA, but a great time of day to work DX!

I have so much more to try.  I have a Spiderbeam Pole and SOTABEAMS Pole that I am playing with as well.  I also have the Alex Loop Antenna that I will try from work.

Another operating position: here I am inside running RG-316 through the door to the 10th Floor Balcony.  I am using Thomas’s Speaker Wire antenna here.

One of the challenges that I face at 3AM is cold temperatures and wind.  There can be wind around these large buildings that can make operating difficult.  In cases of cold weather, I just opt for the little table and chair next to the door.  Besides, the coffee stays warmer longer inside!

New buildings make it very difficult if not impossible to get an RF signal out.  Getting an antenna outside is key.  And even then, that does not guarantee success.  The building’s corners have glass conference rooms.  You feel like you are outside, but I haven’t found a really good location for QRP.  That said, there are many more options to try.

Have you tried operating from your work location, perhaps at lunch?  Maybe as a POTA chaser?  What is your go-to method and set up?  Check out more of my shack on QRZ.

Bill KG4FXG

Gear:

Note: All Amazon, CW Morse, ABR, Chelegance, eBay, and Radioddity links are affiliate links that support QRPer.com at no cost to you.

Field Reports, News, Portable, POTA, QRP, SSB, Travel

Kansas City to the Countryside: N5DUX’s Work Trip POTA Journey

8 Comments

Many thanks to Tommy (N5DUX) who shares the following guest post:

Work Trip POTA

by Tommy (N5DUX)

I recently had a work trip that took me to lovely Emporia, Kansas – home of Emporia State University. Prior to leaving for the trip, I did a little POTA sleuthing to see if there were any parks in the general region I could activate after I finished work each day. As luck would have it, I found there were indeed a handful locations on the POTA map within a reasonable drive – including one right in town!

One of the locations was a fun looking site called the Tallgrass Prairie Preserve National Conservation Area (US-3673), home to a herd of bison.

Viewing on Google Maps I saw a “scenic lookout” in the middle of the prairie and figured that sounded like a great place to setup.

Packing my suitcase for the trip (there’s work to do, remember!) I included my Buddistick and a collapsable, “450cm” carbon fiber fishing rod. The rest of my kit was in a hand held bag that I would carry with me. My main radio for this activation was my Elecraft KX2.

For an antenna, I brought my a newly built 20W K6ARK EFHW trimmed which I had tuned to work on 40m, 20m, and 10m with the idea of using the fishing pole to hold up the far end of my end-fed. Should that fail or disappoint, I had my Buddistick which is self-supporting thanks to the excellent design of its shock-cord tripod and “tie-down” to keep the whole thing upright in strong winds.

Included in my bag was a 9Ah Bioenno battery, reel of kite string, a throwing weight, notebook for logging, pencil, Elecraft hand mic, Elecraft paddles, some earbuds, and a few other insignificant odds and ends (adapters, pigtails, etc)

When packing radio equipment in your suitcase, remember to not pack any batteries in your checked bag. For carry-on, remember to not pack any pointed objects like tent stakes, screw drivers, or spikes like some vertical antennas like the Chelegence 750 or PAC-12 have. Pack smart – think about what the radio will look like to someone unfamiliar with our hobby.

TSA really doesn’t care about our radios or wires – they just don’t want bricks of organic material surrounded by wires on the plane or sharp pointy things in the cabin.

On Easter Sunday, I flew into Kansas City, picked up a rental car, got a quick bite of BBQ recommended by the guy at the rental car place, and set off. The weather upon arrival was excellent. A nice breeze, sun shining, and warm temps. Lovely. But the weather forecast had told me it wouldn’t last.

While at work on Monday, the temperature began its steady slide as a cold front moved through the area. As soon as the work day was finished, I quickly changed clothes and headed west of Emporia for the Tallgrass Prairie Nature Preserve.

The weather continued to get cooler and the wind had picked up.

As soon as I arrived, I was greeted by a park ranger leaving. I asked about the bison herd and he told me the scenic overlook I’d picked as my destination was a couple miles down a gravel trail. I ask the ranger if he knew about ham radio and he said there was a group coming in a couple months or something but said I was welcome to setup wherever I pleased. I grabbed my gear, preparing to make the 2 mile hike, and started down the path.

I got about a quarter mile in and cresting the first grassy rise, I realized I’d underestimated just how strong the wind really was and how cold it was going to get if I stayed exposed. I had not worn my thicker coat and realized I wouldn’t last long on the prairie given my attire and the weather to come. Seeing the bison would have to wait.

My carbon fiber fishing pole at Tallgrass Prairie Nature Preserve in Kansas being held up by a fishing pole holder available from Walmart or Amazon.

I changed course and walked back to a historic ranch situated on the property with some still-used cattle pens. Surveying my options there, I spotted a shelter for the livestock over in the corner of one corral. Eyeing the grassy area in that pen, I decided that was going to be my operating position. No sooner had I chosen my spot when I heard the faintest tick of raindrops hitting the tin roof.

I unfolded my chair in the dirt under the roof then unpacked my radio, pencil, logbook, some trail mix (nabbed from the hotel front desk snack bin), and my water bottle. I unspooled the EFHW and erected the fishing pole to hold up the far end. I connected the antenna and let the Elecraft KX2’s internal tuner do its thing. It found a 1:1 match in no time and everything was set.

Shack in the lap with the KX2.

I dialed through the band to get a sense of conditions on 20m. I listened to a few other POTA stations and was able to work them. I then found an unused frequency, called out, and listened. Nothing heard – I was ready to go. By this point, it was only about 30 minutes total since my arrival – not too bad.

I spotted myself on the POTA site and my first hunter responded to my CQ pretty quickly. This trend continued unabated for quite some time.

When there was a lull in activity, I grabbed a handful of trail mix and was mid-chew when someone called. I tried to swallow and got choked. He’s calling me. I’m trying to clear my throat. Nobody’s around – the best I could muster was a half-wheezy reply to his call. He probably thought my signal dropped a few dB – no old man, it was my voice. A splash of water after we were clear and I was back to normal.

Looking southeast from my activation spot at Tallgrass Prairie Nature Preserve in Kansas

Around this time, the raindrops decided to spit a little and the wind had definitely picked up. I adjusted my antenna to see if that helped matters. I used my kite string to secure one end of my wire antenna to the stone wall surrounding the pen and moved the fishing pole support from the end near the wall more toward the middle This gave the antenna more of an inverted V configuration.

It actually helped! Whereas before my “sloper” was more of a “sagger”, I actually got an increase in the relative frequency of QSOs. I worked with this configuration for the rest of my stay at the preserve. The wind never let up and the temps continued to slide. I was shivering by the time I finished packing up and the sun had set and darkness was setting in.

My humble livestock pen operating shelter at Tallgrass Prairie Nature Preserve in Kansas

Back to the rental car and heater, please!

Tuesday brought a similar workday but I planned to activate a historic home there in town after enjoying a dinner at a local restaurant recommended by my hosts. The weather was considerably colder than Monday and it was downright windy. I’m glad I’d worked the nature preserve on Monday and didn’t wait to try on Tuesday!

Rental car portable at the William Allen White House known as “Red Rocks” in Emporia, Kansas

I made my way over to the William Allen White House State Historic Site (US-9183) a few blocks from the university and the dinner spot. With the weather as it was, I opted to sit in the rental car and run my antenna out the top of a cracked window over a couple low branches and over to another large tree branch. I got my rig setup in the car for my first “rental car portable” activation and found it to be considerably more comfortable than the night before. I managed to log about 20 QSOs in short order on 20m until band conditions deteriorated.

On Wednesday, we wrapped up the work project that had brought me to town. We had a final wrap-up meeting with my point of contact there and I headed back to Kansas City. The intent was to grab a quick dinner with a friend, head for the hotel, throw down my stuff and make for the World War I Museum National Memorial (US-4591). The dinner lasted much longer than I’d planned but it was okay. Dinner was with my CO whom I hadn’t seen since I was in the Guard.

We shared a great dinner with his wife, recounting funny stories from our times together and generally getting caught up. I didn’t get to the hotel until very late so I decided I better get some shut-eye and just activate the Museum and Memorial in the morning.

Thursday morning, I packed up everything to get ready for the airport.

My plan for the WW1 Memorial was to find a tree and throw the EFHW there and get some sun while sitting at a park bench or something. It didn’t happen. The strong, cold wind continued. I opted for another “rental car portable” operation. Noticing my “sloper” was again a “sagger,” I pulled the fishing pole out of my suitcase and elevated the antenna wire in the middle. Much better.

A view of the National World War 1 Museum and Memorial in Kansas City, Missouri

Band conditions on 20m were rapidly going down the drain and it was hard for me to hear anyone – the big guns that I worked toward the end of my activation provided such poor signal reports, I knew my QRP signal just couldn’t compete with the noise floor that continued to come up.

In total, I managed to bag about 14 QSOs in short order – but it was enough to count as another activation! And, since this was on the Missouri side of Kansas City, it gave me a new state.

I packed up, grabbed some more famous Kansas City BBQ at another local haunt, and headed for the airport to fly home.

The reliable, trusted Buddistick surprisingly never saw the light of day on this trip. It sure was along for the ride, but the EFHW really worked well and I enjoyed the simplicity of it when it came time to pack up. Being less of a compromise antenna led me to believe it would be more efficient anyway.

I’m still somewhat new to POTA and I continue to learn – but this was a memorable work trip because I brought my radio along with me and it took me to some spots I may not have otherwise ventured to visit. The work that brought me to the university went well enough that we began scheduling a return trip slated for sometime in a couple months. I plan on bringing my radio with me for that and on all future work trips in other places.

News, POTA, SOTA

POTA/SOTA: Why I don’t log signal reports

29 Comments

Many thanks to Peter (YO8CDQ) who writes:

“Why don’t you enter in the log the received RST and the transmitted RST. I know you’re recording with a tape recorder, but the QSOs are real. If you want to send a QSL to a hunter, what kind of RST do you enter in the QSL?”

Great question, Peter, and I’ve been meaning to make a post about this because it’s one of the top questions I receive from readers (along with why I send 72 instead of 73).

The short answer is: it’s a personal preference.

When I log a rag chew or “non-OTA” contact from home–and one that’s under no time pressure–I typically record a true RST; both what I sent and what I received.

During POTA or SOTA, however, I do not log true signal reports. Some activators do, though.  Again, it’s a personal preference, but here are some of the reasons why I do not:

I typically log on paper and on my phone in real-time. This means that when my hands aren’t sending my exchange, I’m logging as quickly as I can. I honestly don’t think I could keep up with my pace if I added RST to the mix even if just in the electronic logs!

Sometimes my hands are full which makes even basic logging a bit challenging for me!

The POTA and SOTA programs do not import RST info. When your logs are uploaded the RST info is ignored.

I rarely get paper QSLs and when I do, I can always look up the RST in my recordings if I feel it’s important to the other party. For example, I’ve received paper QSLs from DX county hunters (many of those programs require paper QSLs for confirmation) and I will look up the RST from my recordings if needed (it’s actually easy knowing the time stamps from the logs).

Also, since I send an ear-accurate RST to my hunters/chasers, I feel like they’re getting value out of my report in real-time. Many don’t need or want that confirmed on paper weeks later or in other logging systems.

Recording RST to a logging app on my phone–during the activation–simply isn’t easy for me. I struggle just typing and double-checking the callsign I enter. Going back into the app or adif file to enter real RSTs from my paper logs after the fact would be time-consuming and a bit futile since, as I mentioned, POTA and SOTA does not import RST.

In the end, though, you’ll notice that most avid activators don’t record the RST because it simply takes time and it’s actually quite rare that the hunter or chaser needs a true RST even if they follow up with a QSL confirmation. If they need it or ask for it–again–I can probably provide it! Most don’t though, because they receive your report during the exchange.

Should you record RST?

Check out VE6LK’s logs with RST!

If you want to? Heck yeah!

I’ll admit that recording the RST just makes for more complete looking logs. It’s also fun to go back through your logs and give them a once-over to see how a certain antenna might have been performing that day.

Most of the activators I know that record RST only log to paper in the field, then transpose the logs back home and enter RST. That is a much more elegant way to do things if you have the time and it’s important to you.

Since POTA and SOTA are on-the-air activities designed around having fun, do what you feel makes it fun!

How about you? Do you record accurate TX and RX signal reports during your activations? Please comment!

Field Reports, Morse Code, News, Pedestrian Mobile, Portable, QRP, SOTA, Videos

Handheld SOTA DX and Testing K6ARK’s New KH1 Pressure Paddles!

5 Comments

On Tuesday, March 12, 2024, I woke up with SOTA (Summits on the Air) on my mind.

That morning, I plotted to activate a local drive-up summit I’ve basically ignored the past few years.

Peach Knob (W4C/CM-097) is one of the most popular summits in the Asheville area no doubt because it’s so accessible. That said, it’s also a cell phone and water tank site with limited parking. When I first drove up a few years ago, there was a crew working and I would have only been in the way had I opted to activate. Also, to truly be within the activation zone on Peach Knob, there’s really only one small portion of the site where you can set up. Most of the summit is on private land.

I do SOTA primarily for the hikes. I’m not aggressively chasing activation points (ahem…obviously!) so I tend to ignore drive-up sites that are cramped and a bit awkward. Someday, I’m sure I’ll eventually hit Peach Knob just to do it, but that Tuesday? Yeah, I quickly decided I wanted a hike too.

I had a window of about three hours to fit in a SOTA activation. For POTA (Parks on the Air), that’s a generous number–I could easily hit three POTA sites in that amount of time, but SOTA takes more time. Typically there’s a longer drive to a trailhead, then a round-trip hike to figure into the planning as well. I immediately thought of one summit that would fit the bill.

Bearwallow Mountain (W4C/CM-068)

Bearwallow isn’t a long drive from downtown Asheville–maybe 20-25 minutes one-way. The hike to the summit is also fairly short and most enjoyable. The activation zone is the opposite of Peach Knob; it’s massive!

I arrived at the trailhead around 12:30 local and found that there were very few people parked there–-after all, it was a random Tuesday mid-day!

I’d packed my Elecraft KH1 field kit with the intention of doing a fully pedestrian mobile activation. I also had another goal: to test a prototype KH1 pressure paddle Adam (K6ARK) sent me to thoroughly test. I felt there was no better way than to SOTA with it!

Funny, but when operating pedestrian mobile with the KH1, you need so little extra kit. In fact, I could just grab my Pelican M40 case containing the full kit and be ready to go. But I always carry a first aid kit, headlamp, water, and other emergency supplies even if the hike is short and easy. Even if I have no need of those supplies on a short hike, someone else may. Twice, I’ve given other hikers first aid supplies from my pack.

Also, since I planned to film this activation, I needed to carry my camera, mics, and a tripod. I chose one of my favorite day packs: The GoRuck GR1!

My activation video, below, includes a bit of the hike and the contents of my backpack as I set up the KH1.

Gear:

Note: All Amazon, CW Morse, ABR, Chelegance, eBay, and Radioddity links are affiliate links that support QRPer.com at no cost to you.

On The Air

I decided to start this activation on the highest band the KH1 can serve up: 15 meters. After a delayed start (due to phone calls), I began calling CQ SOTA and the contacts started rolling in. It was funny–my first two contacts mirrored a previous Bearwallow activation: Christian (F4WBN) and Michael (N7CCD) in the same order! Within three minutes, I’d logged the four contacts necessary to validate the activation. Continue reading Handheld SOTA DX and Testing K6ARK’s New KH1 Pressure Paddles! →

Field Reports, Guest Posts, News, Portable, POTA, QRP, Travel

IX1CKN: POTA in the hills of Tuscany

6 Comments

Many thanks to Christian (IX1CKN) who shares the following field report:

POTA in the hills of Tuscany

by Christian (IX1CKN)

The beauty of the POTA program lies in the fact that, even if you’re not in your region, you can still participate and, in fact, feel somewhat at home even from a distance.

So, Sunday 7th April afternoon, while in Florence, given not common family commitments, I took two buses bound for Fiesole and then walked about twenty minutes to reach reference IT-1396, Monte Ceceri Park.

The concept of a peak at 414 meters above sea level might make a Valdostan smile, because it’s less than the center of Aosta, the place where I usually live, but the view of Florence and its surroundings is priceless and truly breathtaking.

Moreover, as reminded by a monument on the clearing at the summit, the mountain was the stage for Leonardo’s first flight experiments, which adds charm and historical interest to the location.

I set up the equipment I managed to bring with me on the trip: Xiegu G106 and a quarter-wave vertical on the ground, with about ten radials. Not more, but the truth is, more isn’t necessary.

The less than stellar propagation on the higher bands led me to mostly stick to 20 meters, even though they were hyper-populated for the SP contest. However, well, I found a corner with sustainable crowding…

The final log shows 30 QSOs in just over an hour and a half, including various park-to-park contacts (including Nicola IU5KHP, national POTA manager, and Andrea IW0HK).

Unfortunately, an unsuccessful attempt with Dario IZ3QFG, but there will be other opportunities.

No overseas contacts, but I repeat: it’s not about quantity or distance, but the fact that being able to reach a reference by public transport and walking is priceless. It manages to give one that feeling of familiarity – amplified by the voices of those you connect with, amazed to find yourself in a park far from home – which is why it’s no surprise that Parks on the Air is growing!

Morse Code, News, QRP Radios, Videos

KX2 and TR-45L: Alan measures actual vs selected keyer speeds

3 Comments

Many thanks to Paul (W7CPP) who writes:

If you haven’t seen this it is worth watching. Alan does a great job calculating the actual versus selected keyer speed on the KX2 and TR-45:

Click here to watch on YouTube.

Brilliant video! Thanks for sharing this, Paul. 

Alan’s YouTube channel is one of my favorites. If you haven’t already, hop over there and subscribe!

Field Reports, News, Portable, POTA, QRP, Travel

K3ES Travels: Ten Days of QRP with Compromised Antennas

19 Comments
Ocracoke, NC, home to this iconic lighthouse, was our destination for a week of relaxation.  Ten days of QRP operation was a happy consequence.

Ten Days of QRP with Compromised Antennas

by Brian (K3ES)

At the end of a hard (or even a not-so-hard) winter, Becky and I really enjoy the opportunity to spend a week at the beach with friends.  Even with the cooler and more unpredictable weather late in the off-season, it provides welcome relief from the cold and snow that we often get in northwest Pennsylvania.  This year we chose to visit Ocracoke Island, at the southern tip of the North Carolina Outer Banks.

While driving down and back, I fit in Parks on the Air (POTA) activations at parks in Maryland, Virginia, and West Virginia.  Each of the activated parks was new to me, and  so were their states.  My time at the beach also included daily POTA hunting.  I knew that my radio activity would all be conducted using CW mode, and low power.  All of my contacts on this trip were made with 5 watts, except for a brief stint where I increased power to 10 watts to fight band noise during a longer QSO with my code buddy.  What I did not expect was that all of my contacts would be made using antenna configurations that were less efficient than normal.

At each of the activated parks, I paired my Elecraft KX2 with a brand new Elecraft AX1 vertical antenna.  While it proved very effective at making contacts, the 4 ft high AX1 vertical definitely compromises gain to achieve its tiny form factor for HF operations.  Once we moved into our rented house on the island, we knew that storms were expected.  In fact, gale warnings were issued for our area twice during our week-long stay.  Besides cutting off ferry service to the island, I feared that high winds would bring down any antenna mast that I might try to use.  So, I deployed my shortest wire antenna in a low configuration that I hoped would resist the wind, yet still enable some contacts.  I certainly did not expect it to perform like it had many times before when deployed in vertical or inverted V configurations, but proof would be in the contacts.  I will avoid suspense by saying that this installation was unaffected by the high winds that were predicted and received.

Gear

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Monocacy National Battlefield – US-0705

Monocacy National Battlefield, US-0705, is located near the junction of Interstates 70 and 270 at Frederick, MD.

Our trip south took us close enough for a visit to our 3-year old grandson and his parents.  Truth be told, any distance would have been close enough, so even though greater-Baltimore is slightly off the direct path, that was the destination for our first day of driving.  On the way to Baltimore, we also passed within a couple of miles of the Monocacy National Battlefield, near Frederick, MD.  So, we spent a couple of hours exploring interpretive displays at the Visitor Center, and of course, activating the park.

As a Civil War history buff, I knew of the Battle of Monocacy, but little about its details.  Briefly, in July of 1864 a small Union force faced off against a much larger Confederate Army led by Lieutenant General Jubal Early.  The Confederates were moving against Washington, DC in an attempt to take the pressure off of the defenders around the Confederate capital of Richmond, VA.  While the battle was a tactical defeat for the Union, it proved to be a strategic victory, because it delayed the Confederate advance for two crucial days.  In that time Washington’s defenses were strongly reinforced, so the Confederate Army withdrew back into the Shenandoah Valley without accomplishing its mission.  More on that later.

A picnic table near a wood line outside the visitor center made a perfect, unobtrusive location to activate US-0705.

For the activation, I set up my station at a picnic table.  A table top tripod supported the AX1 antenna, with a short piece of RG316 coaxial cable connecting it to the KX2.  I operated CW mode with 5 watts of power, and completed the activation with 11 contacts in less than 15 minutes.

The entire station, including table-top AX1, took up less than half of a picnic table.
Logging contacts…
Cannons overlooking the battlefield…
Map of contacts from US-0705.  Home QTH for one station is located at the south pole!

Operating from Ocracoke Island, NC

A week at Ocracoke…

We arrived on Ocracoke on the last ferry run to the island before a Gale Warning shut down service for two days.  We counted ourselves fortunate to be on the island, but gale force winds complicated deployment of antennas.  Except, that is, for the AX1. Continue reading K3ES Travels: Ten Days of QRP with Compromised Antennas →

Field Reports, News, Portable, POTA, QRP, QRP Radios, Videos

My first POTA Activation with the Index Labs QRP Plus Field Transceiver

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Sometimes, we do things for the pure nostalgia of it all!

I mentioned in a previous post that I recently acquired a circa 1995 Index Labs QRP Plus transceiver. Being transparent here, this was an impulse purchase fueled by pure, unadulterated nostalgia.

The QRP Plus was the first QRP transceiver that I’d ever laid my eyes on only a month or so before obtaining my ham radio ticket in 1997. I’ll write about this in more detail in the future–and I speak to this in my video below–but let’s just say that this little cube of a radio made a big impression on me at the very beginning of my ham radio journey.

I thought it might be fun to take it to the field and compare this 1995 state-of-the-art radio with so many of my other field radios. The QRP Plus wasn’t a perfect radio, but it was a marvel at the time it was produced. I can’t think of a smaller, more battery-efficient general coverage 160-10M QRP transceiver at the time.

I was eager to introduce this little radio to the world of POTA so on the morning of Thursday March 21, 2024, I grabbed it and hit the field!

Zebulon B. Vance Birthplace (US-6856)

I called the Vance site that morning and learned that a large school group would be arriving around noon. Since I was planning to leave around that time anyway, it was perfect timing for me.

Since I hadn’t created a field kit specifically for the QRP Plus yet, I brought my watertight stackable Husky brand box that basically contains everything I need to set up a field radio station, save the radio.

I unpacked everything I needed: a key, key cable, battery, power cord, cable assembly, antenna, logbook and pencil.

Since the QRP Plus has no internal tuner, I paired it with my MM0OPX 40M EFHW antenna which would give me 40, 20, 15, and 10 meters. Note that Index Labs used to make an external manual ATU for this radio called the QRP Companion–I’ve never seen one in person, though.

Even though the Vance staff told me that the school group would not be using the picnic shelter, thus I could have free reign, I still deployed my antenna in a way that it would not become a trip hazard–keeping it close to the shelter and as conspicuous as I could (I do wish I would have brought along my flagging tape, but I left it at home).

Setting up the QRP Plus station was quick and easy. Time to hit the air!

Gear:

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On The Air

I started calling CQ POTA on the 40 meter band, hoping it would be a little productive while we were still in the latter part of the morning. Continue reading My first POTA Activation with the Index Labs QRP Plus Field Transceiver →