Category Archives: QRP

Beating the POTA propagation blues at Stonelick State Park!

As mentioned in my previous POTA field report, I had the great pleasure of playing POTA on May 21, 2023 with a number of friends. We all played hooky on the final day of Hamvention. The first two activations of the day were with Vince (VE6LK/AI7LK), Charlie (NJ7V), Eric (WD8RIF), and Miles (KD8KNC).

Charlie and Vince had to leave us after the second activation of the day because both of them had travels in store that afternoon.

Eric, Miles, and I grabbed lunch at a nearby town, then made our way to our final park of the day.

Stonelick State Park (K-1993)

We pulled into Stonelick State Park a little after 3:00 PM and found the best open area to set up our stations. This park was a new one for me and, I believe, for Eric as well. (FYI: Miles didn’t hop on the air that day, but helped his dad set up his POTA station.)

Eric’s station

Eric set up his station on a bench overlooking Stonelick Lake. He supported his 28.5 foot vertical wire antenna on a 31′ Jackite fiberglass telescoping pole which he strapped to the bench. His transceiver of choice was the Elecraft KX3.

Note that Eric writes detailed field reports for all of his activations and field activities on his website.

For more details on this activation from Eric’s perspective, click here!

Working with poor propagation

Instead of using a vertical, I opted to deploy my recently cannibalized 40 meter end-fed half-wave. I felt a full 40M EFHW, properly deployed, would increase my chances of logging stations on a day where contacts were few and far between. Continue reading Beating the POTA propagation blues at Stonelick State Park!

Exploring History and POTA: My Second SOTAbeams Bandhopper III Adventure

by Thomas (DM1TBE)

As I mentioned in my recent activation report, I was very impressed with the SOTAbeams Bandhopper III antenna and was eager to test it again. While browsing through the maps of WWFF, SOTA, and POTA, I stumbled upon a new, unactivated POTA park that was not too far from my location – the Bucher Stausee Recreation Site (DA-0414). In the immediate vicinity of the new park, there are several archaeological sites containing the ruins of approximately 2000-year-old Roman buildings.

If you are not interested in the history part, just skip to the Activation section.

The world in Europe was relatively straightforward after 0 AD. From a political, military, and economic standpoint, there was the Roman Empire and then there was everything else.

The following map illustrates the Roman Empire at its greatest extent and the location of the Roman province of Raetia, which encompasses present-day southern Germany and parts of Switzerland and Austria—the very region where I live and where the park is located. This region shared borders with the former territories of Germanic tribes.

UNDP, CC BY-SA 3.0, via Wikimedia Commons

To the northeast, a wall called the “Limes” was constructed to separate from the unconquered territory of Germanic tribes. The Limes was a fortified border system of the Roman Empire, primarily constructed during the 1st and 2nd centuries AD. It served as a defensive line, marking the outer boundary of the Roman territories.

Interestingly, the Limes passed nearly through the POTA activation zone, adding a historical significance to the area.

One, maybe the main reason why the Roman Empire ceased further conquests in Germania and constructed defensive positions was the Battle of Teutoburg Forest.

The Battle of Teutoburg Forest, occurring in 9 AD, was a significant event in the Roman history. It resulted in a major defeat for the Roman Empire against an alliance of Germanic tribes led by Arminius. The battle led to the loss of three Roman legions, which constituted approximately an eighth of the entire Roman army. This defeat served as a turning point, prompting the Romans to recognize the challenges of conquering Germanic territories and shifting their strategy towards defense by constructing fortifications like the Limes.

Therefore, my journey began by visiting the ruins of a Castra, a Roman fort. The fort housed an infantry unit with a cavalry attachment, consisting of around 500 soldiers. The fort and neighboring civilian structures were eventually abandoned around 260 AD with the withdrawal of the Romans from this region.

The fort had a size of 140 m x 150 m / 460 ft x 490 ft. On an information panel, a reconstruction is displayed.

I walked around the perimeter and thought about the histories that this place could be telling me. Then I proceeded to visit the civilian structures. Continue reading Exploring History and POTA: My Second SOTAbeams Bandhopper III Adventure

KO4WFP: The Dipole Does It for Wheeler NWR

Many thanks to Teri (KO4WFP) for the following guest post:


The Dipole Does It for Wheeler NWR (K-0161)

by Teri (KO4WFP) 

After my last activation, I was hankering to try the AX1 and Pacific Antenna 2040 trap dipole during the same activation for a comparison. Now, I know some of you are saying, “Well Teri, there would be no contest!” Yes, however, in the interest of learning first-hand, I headed to K-0161, Wheeler National Wildlife Refuge while visiting a friend, Glenn W4YES, and his wife in Decatur, Alabama.

Wheeler National Wildlife Refuge was established in 1938 as a wintering area for ducks, geese, and other migratory birds. It is a 35,000 acre refuge located along the Tennessee River near Decatur, Alabama. Today, the refuge attracts thousands of wintering waterfowl and cranes each year and is a winter home to the endangered whooping crane who first arrived in 2004.

I opted to set up in a parking lot on the north side of US Highway 67 which runs through a small portion of the refuge. As there were no picnic tables present, I chose a spot where the trees would shade me from the early morning sun while sitting in my Subaru Crosstrek. Since the last activation, I had given some thought as to how to set up better in the car. My code buddy Caryn KD2GUT sits in the backseat for POTA with one seat flipped down providing a ready-made table for equipment. Even better, I discovered the back of the rear seat in the Crosstrek has a rubber surface and I could secure the key to it with fun-tak!

Since the last activation, the more I worked with the Mini Palm Paddle, the more I realized I did not like it. It just felt too “squishy” for my taste and I had difficulty feeling the characters. Glenn has a solid state CW paddle by 9A5N he was not using. I worked with it a bit and really liked the stiffer feel. He removed the heavy base in which it was mounted and built a lighter base out of the back of a old diskette so I could take the key with me to Nova Scotia. (True ham radio – making use of whatever we have on hand to solve a problem!) I find the more I use this key, the more I like the feel of it.

This was Glenn’s first POTA activation and I was happy to have him along. We arrived around 8:05 AM and began setting up, first putting the AX1 on the roof of the car and then the trap dipole on a mast on a hitch mount given to me by Jack NW4TF of my local club. Continue reading KO4WFP: The Dipole Does It for Wheeler NWR

QRP POTA with Friends: Two Park Activations with VE6LK, NJ7V, WD8RIF, and KD8KNC!

Sunday, May 21, 2023, was the final day of Hamvention.

I traveled to Hamvention with my buddies Eric (WD8RIF) and his son Miles (KD8KNC). We decided in advance that instead of attending Hamvention that Sunday (after having spent all day Friday and Saturday there) we’d opt for a relaxing day playing POTA near Dayton/Xenia.

We weren’t, in fact, the only ones who skipped Hamvention that Sunday–our friends Vince (VE6LK or AI7LK State-side) and Charlie (NJ7V) did as well, so we decided to play POTA together!

Both Charlie and Vince were leaving the Dayton area that afternoon, so they needed to finish up their activations by noon at the latest. We decided we could fit in two activations that morning before Charlie and Vince headed back, then Eric, Miles, and I would hit a third park in the afternoon. Actually, Miles never planned to hop on the air, but he was both our ride and valuable POTA support!

Vince and Charlie in the rear view mirror!

Charlie and Vince met us at our hotel around 9:00 AM and we drove to the first of two parks we’d activate together.

Cowan Lake State Park (K-1943)

Charlie (NJ7V) and Vince (VE6LK/AI7LK) ready to deploy their gear.

The weather was beautiful that day, but the space weather, much less so. We knew in advance that it would be a struggle based on the propagation forecast and numerous reports from other activators.

Vince set up his Elecraft KX3-based station in the trunk/boot of his rental car.

He deployed his “low-slung” wire antenna (read more about that here) and hit the air.

Vince’s low-slung antenna

Eric described the POTA station he deployed in his field report on WD8RIF.com:

Eric found a shady, level spot near the parking lot, strapped his 31′ Jackite telescoping fiberglass pole to his folding camp-chair, deployed his 28½’ wire vertical on the pole, set up his Elecraft KX3 on the camp-chair’s flip-up table, and was on the air at 1412 UTC. Eric began his operation with a lovely touch-paddle which he had unexpectedly been given as a gift from the builder, Brian Manley, K3ES

Eric’s station

Note that Eric carefully documents each and every one of his field activations and field contests on his website. His field reports date back to Field Day in 1995!

I found a spot to set up next to the lake under the shade of a large tree. I deployed my Tufteln no-transformer 28.5 foot end-fed random wire.  This antenna is simply two lengths of 28.5′ wire: one wire for the radiator and one for the counterpoise. The KX2’s internal ATU does all of the heavy lifting. Continue reading QRP POTA with Friends: Two Park Activations with VE6LK, NJ7V, WD8RIF, and KD8KNC!

An in-depth review of the Xiegu G106 QRP HF transceiver

Note that the following review first appeared in the May 2023 issue of TheSpectrum Monitor magazine.

Update: Also, please note that the G106 is on sale at Radioddity at time of posting. With our affiliate link pricing is only $264 US (see note at end of review). Please read this review prior to making a purchase decision!


An in-depth review of the Xiegu G106 QRP HF transceiver

by Thomas (K4SWL)

Last year––in May of 2022, that is––Xiegu announced a new compact field radio that would be added to their line of transceivers: the Xiegu G106.

Xiegu has really made a name for themselves over the past few years with several transceiver offerings, many of which have become very popular. Among these:

  • The Xiegu G90 is a 20-watt transceiver with an excellent built-in ATU. The G90 has become a very popular field radio over the past few years.
  • The Xiegu X5101 is a five-watt shack-in-a-box HF transceiver covering 160-6 meters. The X5105 has become a go-to QRP portable due to its fine built-in ATU and built-in rechargeable battery pack.
  • The Xiegu X6100 is much like the X5105, in that it’s also a shack-in-a-box QRP transceiver, but it leverages SDR technology to provide a beautiful color spectrum display and a host of features not found on its predecessors. Many have adopted the X6100 because its operating system is Linux-based and many enthusiasts have created their own X6100 interface that promised direct digital mode operation.

Because we’re seeing more products like these from Xiegu, the up-and-coming Xiegu G106 stirred interest.

Moreover, Xiegu has become a low-cost leader among HF transceiver manufacturers. In each of the reviews I’ve published about Xiegu radios, my summary statement is that each unit offers a lot of performance for the price. Xiegu transceivers don’t have the most robust receiver front-ends, and the audio is unrefined, but their rigs get the job done and have some serious “fun factor.”

So when I first learned about the new Xiegu G106, I was curious where it would fit into their product line.

Introducing the Xiegu G106

As I was capping off my summer in Canada back in August of 2022, Xiegu retailer Radioddity started shipping the G106. Radioddity had me on the list to send a loaner G106 for review, but  upon my return I found myself so busy that I didn’t immediately request it.

I did watch, however, K8MRD’s initial and updated review of the G106 on YouTube. While it was less than stellar––understatement alert––more relevant to me was that Mike shipped his second evaluation unit to me on behalf of Radioddity.

I connected that G106 to a dummy load, checked the transmitted signal on my SDRplay RSPdx spectrum display, and it simply didn’t look very clean. In fact, it looked worse than it did when Mike checked it only a couple of weeks prior.

I shared my results with Radioddity and told them I didn’t feel comfortable putting the G106 on the air; they asked that the unit be returned and checked out.

Fast-forward to January 2023, when I was once again contacted by Radioddity to see if I would like to field test an updated G106? I answered that I was happy to do so, because I was curious whether the G106 experience had improved.

In the spirit of full disclosure, keep in mind that Radioddity is a Xiegu retailer/distributor––the company is not the manufacturer, nor is it owned by Xiegu. They sent this G106 to me on an extended loan for an honest evaluation.

So where does the G106 fit into the Xiegu product line?  It’s being marketed as a low-cost, entry level, multi-mode QRP HF transceiver that leverages 16-bit CODEC sampling to provide the user with a lot of radio for the price. It’s basic, and meant to be so, in that  it’s only a transceiver; there is no built-in ATU or battery. The G106 is marketed as a bare-bones portable HF transceiver.

I feel like it hits this mark.

The G106 doesn’t have a lot of features or controls one might expect in other Xiegu radios, but it has more features than any other modern HF radio I know of in its price class (see features list below). Indeed, I can’t think of any other 80-10 meter general coverage QRP transceiver that retails for $320 or less. The G106 has this market niche to itself for the moment.

Overview

When I first received the G106, I was a little surprised:  it was even more compact than I had imagined.

The sides of the G106 are rounded and the chassis extends beyond the encoder and front controls of the radio, thus the interior is quite well protected in the event the radio is dropped. This is one of the few QRP field radios on the market that doesn’t need an aftermarket cage. I’ve been transporting the G106 in an old hard shell headphone case a friend gave me. The case isn’t large, but it easily holds the G106 and a power cord with a bit of room to spare.

 

The G106 sports a small monochrome backlit display that’s very easy to read in the shack or in the field with full sunlight.

Besides the weighted encoder (which has soft detents), the volume control, and microphone port, there are also four multi-function buttons located under the small display on the front panel. On top of the radio, there is a power/backlight button, mode/pre-amp button, and two band buttons that also can be pressed and held to change the frequency cursor position. The internal speaker is also mounted on the bottom of the top cover, just behind the top panel buttons.

On the back of the G106, you’ll find a BNC antenna port, ground/earth lug, key port, COM port, 8 pin ACC port, and a DC input port.

The most conspicuous omission is a headphone or external speaker port. I would have expected this in a QRP field radio because operators often prefer using headphones in the field rather than a speaker. I know that some G106 owners have built their own RJ9 audio plug to port out the audio to headphones. There is a headphone port on the supplied speaker mic, but CW-only operators might prefer a more direct way to connect earphones in order to keep the bulk of their field kit to a minimum.

What is surprising is that the G106 has a very basic spectrum display that is actually quite useful!

Ergonomics

The ergonomics of the G106 are overall pretty good…but a bit quirky. To be honest, giving the user access to numerous functions and features on a radio this small is always going to affect ergonomics; there’s only so much control-surface real estate. Continue reading An in-depth review of the Xiegu G106 QRP HF transceiver

Tu-Endie-Wei State Park: Low-impact QRP fun and one speedy P2P confirmation!

On Wednesday, May 17, 2023, I did something I hadn’t done since 2019: I woke up, hopped in the car, and started my journey to the Four Days In May and the Dayton Hamvention!

It’s about a seven hour drive from my QTH directly to Dayton, but in the 12+ times I’ve attended Hamvention, I’ve never actually driven there directly. Instead, I drive to Athens, Ohio, spend the evening with my buddy Eric (WD8RIF) and his family, pack one car, then carpool to Dayton.

Heading to Athens, I like to time my drive so that I pass through Beckley, West Virginia around noon and enjoy a fine lunch at Tamarack Marketplace. It’s always a nice reward after spending a little over four hours in the car.

This year, I enjoyed local almond-crusted rainbow trout, braised kale, and dill pickle soup. I know…dill pickle soup sounds a bit strange, but trust me: it was exquisite. The food at Tamarack is always top-shelf because the chefs behind the scenes are training for positions at the famous Greenbriar Resort.

Park en route

Of course, another way to break up the trip and add a little fun is to activate a park. I decided I wanted to activate a new-to-me park not too far off my route, so I consulted the regional POTA expert: WD8RIF.

Eric is an avid park activator and has hit pretty much every park within a three hour drive of his QTH. He made a few suggestions, and I opted for Tu-Endie-Wei State Park in Point Pleasant, West Virginia.

Tu-Endie-Wei State Park (K-1823)

Tu-Endie-Wei is a small, four acre state park, situated at the confluence of the Kanawha and Ohio rivers in Point Pleasant, WV. Indeed, the name “Tu-Endie-Wei” is a Wyandotte word meaning “point between two waters.” Continue reading Tu-Endie-Wei State Park: Low-impact QRP fun and one speedy P2P confirmation!

Quick test of my new SOTAbeams Band Hopper III antenna at a POTA/SOTA location

by Thomas (DM1TBE)

Since I have seen the Band Hopper III antenna at the website of SOTAbeams, I have been thinking about it. Most of the time I have used end-fed half-wave (EFHW) antennas when operating portable – vertical attached to a fiberglass mast or in a sloper configuration with a tree.  Those EFHW antennas seemed to cause way less troubles than a dipole with its centerpiece and coax at the thin end of the fiberglass mast.  However, there was this “other” dipole from SOTAbeams. So I thought I could give it a try and ordered it.

Two days later -including customs procedure- the antenna arrived. The antenna is a linked dipole for the 20-, 30- and 40-meter band and weights less than 500 g / 18 oz. That includes the coax and guying material. I already had the Tactical Mini ultra, a 6 m / 19.6 ft fiberglass mast that is a perfect fit for the Band Hopper antenna.

The weather was fine, my manager at work was on vacation, so there was no reason for not leaving the home office early and go for a quick activation. I went to the SOTA location for Kaltes Feld (DM/BW-659), which is also POTA (DA-0410). I have been there a couple of times this year, but offering chaser points for both programs promised more QSOs, especially when conditions are difficult. The other advantage of this place is that you can drink cold beer if the antenna fails to work. 😉

You may, or more likely may not, remember this image from an activation report in March this year.

The place looks much more inviting now with kids playing, people enjoying barbecue and a cold beer, and operating a radio is much more pleasant.

Although I have been here a couple of times, I have never visited the ruins of Castle Granegg, just a mile away. While the SOTA activation zone is surrounded by trees, the walk to the castle satisfies with a nice viewpoint on the way. Continue reading Quick test of my new SOTAbeams Band Hopper III antenna at a POTA/SOTA location

QRPer Notes: Alan Reviews the FX-4C, Common Mode Chokes, and Kitchener Waterloo ARC Hamfest Tour

Because I receive so many tips from readers here on QRPer, I wanted way to share them in a concise newsletter format.  To that end, welcome to QRPer Notes, a collection of links to interesting stories and tips making waves in the world of radio!


Radio Review: FX-4C SDR QRP Transceiver

Many thanks to Ron who shares this excellent review of the FX-4C by our friend Alan (W2AEW):

Click here to view on YouTube.


Common Mode Chokes

Many thanks to David (WK4DS) who shares the following post about common mode chokes.

Click here to read.


Kitchener Waterloo ARC Hamfest 2023

Many thanks to John (VE3IPS) who shares his quick video tour of the Kitchener Waterloo ARC Hamfest:

Click here to view on YouTube.

A Rock Leads Teri on an Unexpected POTA Activation!

Many thanks to Teri (KO4WFP) for the following guest post:


A Rock Leads to an Unexpected POTA Activation

by Teri (KO4WFP)

Sticks and stones may break my bones, but a rock can change the trajectory of one’s week.

Monday, while driving to the barn, a rock landed on my windshield leaving a chip in the glass. The soonest and closest appointment was in Bluffton, South Carolina. But having to work the appointment into my week, nixed my planned POTA activation for Wednesday at Wormsloe K-3725. However, I thought to check for any parks near Bluffton and yes, Victoria Bluff Heritage Preserve, K-9197, was within 15 minutes of my appointment. I could fit in an early activation before the appointment and put the AX1 to use for the first time. (Score!)

The drive Tuesday morning from Savannah, Georgia to Bluffton, South Carolina was scenic – lush, green foliage along the road interspersed with salt marsh and freshwater views.

The Victoria Bluff Heritage Preserve is 977 acres and has four miles of easy hiking trails. The warning on the SC Trails website about protective clothing & insect repellent for the large number of ticks that flourish in the preserve’s forest encouraged me to set-up in the parking lot. There were no picnic tables (my usual set-up) present so I planned on operating out of my car, a first for me.

However, how was I to mount the AX1 while sitting in my car since I had no tripod? I was still puzzling over this the morning of the activation when I remembered the Joby Gorillapod stand I purchased last year. Would the tripod mount for the AX1 work with it? Yes! It did. Continue reading A Rock Leads Teri on an Unexpected POTA Activation!

POTA QRP: Testing the new JNCRadio CS-818 ATU with my upgraded Yaesu FT-818ND

I love testing new stuff in the field and on Tuesday, May 2, 2023 I had a great opportunity to test a number of new items.

FT-818ND Upgrades

I mentioned in a previous post that I purchased a new Yaesu FT-818ND from DX Engineering on December 28, 2022. It smacked of an impulse purchase only in that I had not planned to purchase the radio that very day.

Thing is, Yaesu announced they were discontinuing the FT-818 and I always planned to purchase one to replace out one of my two FT-817NDs. I didn’t want to miss the opportunity to buy a new one under warranty, so I bit the bullet on short notice.

Within a few days of purchasing the FT-818ND, I also purchased another 500 kHz CW filter, a WINDCAMP 3000mAh LIPO battery and a WINDCAMP Anderson PowerPole Adapter.

I planned to make the FT-818ND my primary HF radio and use the other FT-817(s) for full duplex satellite work (and HF too, of course, especially since one is now in a TPA-817 pack frame).

I had all of the upgrades in hand by mid-February, but that Yaesu FT-818ND sat in its box under my radio bench until late April. I was so busy evaluating other gear and keeping up with my busy family life,  it had almost slipped my mind. Well, that and I received the incorrect narrow Collins filter from a seller on eBay; instead of sourcing a replacement, I decided to steal an original 500 Hz filter from one of my other radios while waiting on a replacement.

Those narrow Collins filters? They’ve become pure unobtainium over the past couple of months. At one point, eBay was chock full of them. No longer…

It had actually been a very long time since I pulled out a brand new (non-loaner) radio from the box. It’s funny because I remember opening my first FT-817 back in…what…2001? The box and packaging were identical some twenty one years later!

I unboxed then immediately opened the chassis of the FT-818ND to add the Collins filter, attach my Portable Zero side rails (stolen from my FT-817), add the Windcamp battery pack, and add the Windcamp Anderson PP adapter.

JNCRadio CS-818 ATU

Around the same time, Jesse, with Chelegance, also sent me his latest ATU: the CS-818 which is specifically designed to work with the FT-817 and FT-818 series radios. To be clear, Jesse sent the MC-818 at no cost to me to evaluate.

The CS-818 actually works with any radio, but it ships with the command cable for the FT-817/818 for full integration.

The CS-818 can handle up to 30 watts of power, so it’ll pair nicely with any QRP radio. If using it with a QRO radio, you’d have to be very careful not to push more than 30 watts.

NOTE: Due to the frame rate of my camera and the refresh rate of the OLED display, only a portion of the display shows up in my shots.

In truth, ATUs don’t get me terribly excited. I’m quite content with my Elecraft T1 and Emtech ZM-2; these two portable ATUs match anything and everything I use in the field. Continue reading POTA QRP: Testing the new JNCRadio CS-818 ATU with my upgraded Yaesu FT-818ND