Category Archives: Portable

Field Radio Kits, News, Portable, QRP

Field Kit Gallery: K2EJT’s Utra-Compact Venus SW-3B Field Kit

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Many thanks to Evan (K2EJT) who shares the following article about his portable field radio kit which will be featured on our Field Kit Gallery page. If you would like to share your field kit with the QRPer community, read this post. 

K2EJT’s Venus SW-3B Field Kit

by Evan (K2EJT)

I’m big on small.  When it comes to field radios, especially ones I’m going to have to carry any distance, I prefer them to be small and light.  I don’t mind lugging a big heavy rig around if I’m going to be 20 feet from my truck, but if I’m hiking five miles into the woods, I want to measure my kit weight in grams, not pounds.  That’s where this little kit comes in.  Weighing in at only 733g, this kit fits the bill perfectly:

The stuff sack is from Dutchwear Gear.  It’s crazy light, and the entire kit fits in the palm of your hand.  Inside you’ll find everything you need to do a field activation.

The rig is a Venus SW-3B.  I really like this radio, especially for what it costs.  While it’s not as nice a radio as say my MTR-4B, you can get two of them for the price of one LNR radio, and get them in half the time!  The one thing that you need to be careful with on this radio are the rotary encoder and the gain knobs.  They protrude from the face of the radio, and I’m not sure how robust they are. Because I was concerned about how much abuse they’d handle, I 3D printed a set of side rails and a cover for the radio to protect them.

The key is a cwmorse.us N0SA paddle.  I have two of these keys.  One lives in this kit, and the other lives with my KX1.  They’re really nice keys for their size and weight.  There are downsides (like the sides being open), but aside from that I really enjoy sending on them.

As for an antenna, I’m running a Spark Plug Antennas 64:1 EFHW.  The wire is cut for 40, 20, 15, and 10, and is made of 24ga silicone jacketed wire with a tiny plastic clip on the end to attach to the throw line.  I really like this antenna.  It’s a great combination of small size, low weight, and good durability.  It works very well.  In fact, I like it so much I own two.

The coax is 15’ of RG316 from Amazon.  I don’t generally like to drag expensive coax into the woods.  I’ve killed enough of it to know it’s not worth spending a fortune on something that’s likely to get destroyed.

The throw bag and line are the same setup I run with my KX1.  It consists of a ripstop nylon bag with a paracord loop sewn in at the open end, and velcro across the top to close it.  Fill the bag with rocks, close the velcro, and you’re ready to go.  The line is 65’ of high viz, reflective 1.8mm cord.  The throw bag doubles as a stuff sack for the cord when not in use.

The headphones are a set of old Skullcandy earbuds I’ve had forever.  The kit also includes a Rite in the Rain pad and a pencil for logging, the power cable for the rig, and the radio instruction manual.

Powering the whole thing is a set of four AA size LiFePO4 batteries in a 4 cell holder.  The four batteries combined are a little over 13V fully charged, and are about 2600mAh.  They can power this little radio for a LONG time.  I get multiple activations out of a single charge.  I threw a set of Anderson Powerpoles on it to connect to the power cable on the radio.

This is the kit I carry when I want to go light.  As always, I could go lighter, but then I’d have to make compromises I’m not willing to make.  I’ve done plenty of activations with this kit, and it never lets me down.  You can see a description of the kit here:

And the kit in use here:

Gear list:

Evan (K2EJT)

Books, News, Portable, POTA

The Parks on the Air Book! Coupon code for free shipping & a giveaway!

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If you haven’t heard yet, there’s a new book by the ARRL called “The Parks On The Air Book.” Here’s the description from the ARRL site:

The Parks on the Air® Book explores the process of activating a park unit and hunting those activations. Through the experiences of 14 operators, it offers advice and motivation for taking your radio out to the park and becoming active in the growing POTA community. Full-color format!

I’m honored to be one of the 14 operators who has an essay in this fine book.

Mine is called, “The Art of the Self-Sufficient QRP Field Kit.”

A number of my POTA friends also contributed essays in this book. It was great fun reading through these.

I think the editors did a fine job pulling together a wide variety of perspectives in this book–not only focusing on activating, but also hunting. I also love the fact that the articles have a more human-interest focus; more context about why the authors enjoy POTA and how they make it their own. This is not a dry read…quite the opposite!

I should mention that the ARRL pulled this together by teaming up with the Parks On The Air crew.

Click here to read the full press release (.docx).

Click here to read sample pages from the book (.PDF).

Coupon Code for Free Shipping!

As a contributor of this book, the ARRL have given me a coupon code to share with my readers and subscribers; this will give you free shipping.

At checkout, simply enter my callsign as a coupon code: K4SWL

Click here to purchase on the ARRL website.

The list price of the book is $22.95, and ARRL members can buy it for $19.95. I feel like this is a great value and an excellent read despite the fact they invited me to contribute! 🙂

A POTA Package Giveaway!

The ARRL have also given me a little prize package to send to a lucky QRPer.com reader. We’ll run a little contest this weekend that’s open to anyone and everyone interested in POTA.

Stay tuned for more details!

Field Radio Kits, News, Portable, QRP, QRP Radios

Field Radio Kit Gallery: K4VOR’s Elecraft KX1 Go Box

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Many thanks to Scott (K4VOR) who shares the following article about his portable field radio kit which will be featured on our Field Kit Gallery page. If you would like to share your field kit with the QRPer community, check out this post.

My KX1 Go Box

by Scott (K4VOR)

I’ve been a ham since college but was out of the hobby for over 20 years, that is until 2020 and COVID. Suddenly I had a lot of free time (like all of us) being stuck at home and somehow the YouTube/Google machine took me down the rabbit hole that is CW.

I got my amateur radio license just after the CW requirement was lifted, so I hardly knew dit from dah. Granted, as an aviator, I had some experience “copying” morse code when tuning navaids such as VORs & DMEs.  A whopping 3 letters sent at a blistering 7 wpm! But other than that, I was as green as it gets. To make a long (3+ year) story short, I dove head-long into that rabbit hole and today I am sending around 25wpm and can head-copy around 20wpm, something I once thought impossible. Anyway, that’s my story, now on to the field kit!

Over the years I acquired several of the more popular QRP radios, such as an IC-705, QCX mini, (tr)uSDX, and the AMAZING Elecraft KX2.

I knew about the KX1 but I never gave it a second thought. I mean, it’s just a piddly little 3W CW only kit-built rig, right? Well, then one day I stumbled upon one of Thomas K4SWL’s activation videos in which he was using his KX1 – Ruby. There was something about the simplicity of it all. A unique specimen of simplicity and elegance – potentiometers for AF gain, RF gain, and filter width, three momentary push buttons and a VFO. Heck, the thing barely has a display – only a 3-digit 7 segment! That basic “stick and rudder” aspect had me intrigued, but the hook for me was the sound!

Thomas describes it as an analog sound, something you might get from an old tube radio. It’s a buttery-smooth, warm resonance – something that is rare these days with modern SDRs and DSPs.

After hearing that sound, the KX1 became my unicorn radio. After over a year of searching, I finally found mine – a meticulously built 3-bander (40/30/20) with the internal ATU. I am happy to share my go-kit built for this rig, some of which was inspired by “Ruby” herself.

The kit contains everything I need to get on the air, all in one Pelican 1060 case.

I will start with the antenna. Nothing fancy. Just a BNC binding post adapter coupled with a 27’ radiator and a 16’ counterpoise. It tunes up nicely using the KX1 internal tuner. 1.0 on 20 and 30 meters and 1.4 or better on 40 meters. The antenna winder is a 3D printer one I designed to easily fit in the Pelican 1060.

For power I am using a TalentCell 12v 3000mAh battery, which will run the KX1 for several hours.

The key is a Palm Radio Pico Paddle (no longer in production), although a K6ARK tiny paddle will rotate in and out from time to time. One day I would like to find a KXPD1 which sadly was not included with my KX1 when I bought it.

For antenna deployment, I have 65’ of “throw line”, a.k.a. masonry/construction twine, and a rip-stop nylon draw-string pouch that I to use as a throw weight by tossing a couple of rocks inside. The throwline stows away inside the nylon pouch along with a dollar store set of earbuds.

Photos: In the field

And that’s it! This has become my go-to kit that I grab whenever I think I might have the chance to play radio when I am out and about. Thanks for reading and I hope to see you on the air!

72 – Scott K4VOR

Field Reports, New Products, News, Portable, POTA, QRP, QRP Radios, SOTA, Videos

My first SOTA activation with the new Elecraft KH1 handheld QRP transceiver!

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On Friday, November 3, 2023, I had planned to activate Mount Mitchell–the highest summit in eastern North America. I need to activate Mitchell soon because I’ve yet to activate it for SOTA in 2023 and when winter weather sets in (quite early at that altitude) the park is inaccessible.

Unfortunately, last week, the National Park Service closed an 8 mile portion of the Blue Ridge Parkway due to (no kidding) park visitors feeding and trying to hold bears at the Lane Pinnacle Overlook.

I won’t get on my soapbox about how people are so out of touch with nature that they feel human interaction with bears is a good thing. It breaks my heart because as we natives of WNC say, “a fed bear is a dead bear.” Bears that become comfortable with humans become (at best) a nuisance and (at worst) aggressive.  This is bad for people and it’s bad for our bears who are otherwise shy and avoid humans.

Okay, I said I wouldn’t soapbox about this…

That 8 mile section being closed meant that what would have been a 50 minute drive to the summit of Mitchell turned into a 90 minute drive. Round trip, I simply couldn’t fit that in my day, so I made alternate plans.

Another summit on my list to activate before year’s end was Richland Balsam.

Richland Balsam is actually the highest summit on the Blue Ridge Parkway and is, in fact, at one of my favorite points along the parkway.

That  Friday morning, I dropped my daughters off at their classes and drove an hour or so to the Haywood-Jackson Overlook.

In the valley, as I started my drive to the parkway, past the Cradle of Forestry, it was 30F/-1C. I was concerned that on the summit–nearly 4,000′ higher in elevation–that the temp would be closer to 20F. Fortunately for me, as I gained elevation, the temperature climbed too. We were having inversion that day so the higher altitudes were actually warmer than lower altitudes. This is not uncommon in the fall and was very welcome that particular Friday morning!

Richland Balsam (W4C/WM-003)

Only three weeks earlier, there would have been no free parking spots at the Haywood-Jackson Overlook overlook–it would have been packed.

Fortunately for me, all of the leaf-lookers had gone and I literally had the place to myself. What a luxury!

And the temperature? A balmy 43F/6C.

The hike to Richland Balsam is one of the easiest along the parkway.

At the north side of the parking area, you’ll see a trailhead for the Richland Balsam Nature Loop Trail.

I wish my iPhone camera could haver truly captured how the moon looked in the sky.

The trail isn’t long; I believe the entire loop is just shy of 1.5 miles.

Although I didn’t set out to do this, I ended up making a video of the entire loop trail hike along with the activation (of course, you can skip over those parts in my activation video below).

Sadly, one thing you won’t be able to enjoy in my video? The smell. The air is filled with the fragrance of balsam trees along the entire trail–it’s just amazing!

The summit of Richland Balsam is at 6,410 feet ASL (1,954 meters).

The summit is covered in trees which is brilliant for SOTA activators. Another luxury is that there are two benches within the activation zone. I did pack my Helinox Zero chair as a backup, but didn’t need it.

SOTA with the KH1

Setting up my KH1 for a SOTA activation couldn’t be easier or faster. I show the whole process in my video at a very casual pace. Continue reading My first SOTA activation with the new Elecraft KH1 handheld QRP transceiver! →

Antennas, New Products, News, Portable, QRP, Videos

Tiny EFHW and EFRW Kits by KM4CFT

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Long time QRPer.com contributor and supporter, Jonathan (KM4CFT) has designed and started producing ultra-compact end-fed antenna kits (eBay affiliate link).

His end-fed antennas are incredibly small, thus perfect for portable operations. They remind me very much of K6ARK’s end-fed wire antenna kits, but a little easier to build because the board is larger and there are no surface mount components.

Jonathan sent me one of his end-fed kits (assembled) a couple weeks ago, but I’ve yet to trim mine due to my crazy schedule and activities as of late (well, that I need need to order more wire!). I will take this antenna to the field this month, but the video may not show up for a few weeks.

W2AEW Builds the KM4CFT UNUN

This morning, I learned that my good friend Alan (W2AEW) published a video where he builds, tunes and tests Jonathan’s  QRP End Fed UNUN kit:

Click here to watch on Alan’s (excellent) YouTube channel.

Alan’s video is superb. If you purchase this EFHW kit, I’d encourage you to watch his build. (And subscribe to his channel!)

How to purchase

Jonathan is selling his antenna kits on eBay–click here to check it out. The price is $29.95 plus a modest shipping fee. I think it’s an excellent deal.

Of course, you’ll need some wire for your radiator and/or counterpoise.

I plan to build mine with a 30 meter link to pair with my Mountain Topper MTR-5B.

Click here to check out the antenna kit on eBay. (note: this is an eBay partnership link that supports QRPer.com)

Click here to download the detailed assemble guide.

Antennas, Guest Posts, How To, Portable, QRP, SOTA

A Portable Oblong Antenna for 2 Meters

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Many thanks to Andrew (VK2ZRK) who writes:

Hello Thomas,

The area I live near Canberra in Australia has many SOTA summits that are easily activated on 2m with a HT. That said a good antenna always helps. The 2m oblong antenna is very popular in these parts. It is easy to make, light to carry and packs small. It is horizontally polarised.

This is the second oblong I have built. I gave my dad VK4FASR my first one and have finally built another. I mostly use the bottom of the band for SSB/morse, the middle for APRS on 145.175 and 145.500 for SOTA. The antenna is cut accordingly.

References:

Andrew VK1AD
https://vk1nam.wordpress.com/2019/09/29/antenna-project-2m-145-mhz-rectangular-loop/

Peter VK3YE
https://youtu.be/Nyttl277ehs?si=9M5mP-KlxTGln0Tm

PARTS LIST
(Sorry about the lack of Freedom units)

    • 8mm fibreglass tube.
    • 8mm ID kite nocks (both from a kite supply).
    • Double walled glue lined heat shrink.
    • 2200mm Antenna wire – DX Commander in this case.
    • 2mm ‘ZingIt’ dyneema.
    • A BNC to banana adapter.

Assembly

I cut the tube so the centre to centre distance between the holes in the kite nocks was 360mm as per Andrew VK1AD’s instructions.

With the wire I started with 2200mm and trimmed until I had the best SWR at 145.000 when I lost my nerve and stopped cutting. [See photos below.]

Everything is held together with the glue lined heat shrink.
The top tube includes a little loop made from the ZingIt to suspend the antenna. Total weight is 102g.

The 2mm ZingIt can hold about 200Kg. I hope the pics make sense

73
Andrew VK2ZRK

Photos with detail

Field Radio Kits, News, Portable, QRP

Field Kit Gallery: KM4CFT’s Elecraft KX2 Go Kit

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Many thanks to Jonathan (KM4CFT) who shares the following article about his portable field radio kit which will be featured on our Field Kit Gallery page. If you would like to share your field kit with the QRPer community, check out this post. Jonathan writes:

Hi Tom,

I thought I would share the two go kits I have [check out the QMX kit here]. I tend to customize my equipment and supplies before I go on a POTA or SOTA outing but I keep these for the rare occasion when I want to grab a radio real quick.

The Elecraft KX2 Go Kit

A bit more standard fare for elecraft KX2 owners. I use this kit the most often since the KX2 is rugged and incredibly well suited for field activations.

The kit contains 2 antennas: a Tufteln 28.5′ speaker wire antenna on a custom designed winder, and the Elecraft AX2 with all the fixings (mini tripod, adapter, bipod).

I keep 2 CW paddles on me: the KXPD2 and a retractable paddle designed by K6ARK.

I have 2 microphones: the Elecraft microphone and a mini microphone designed by K6ARK.

Having multiple options lets me operate in just about any situation/position.

For accessories, I have a cheap pair of earbuds, a power cable, and BNC to SO-239 adapter, 6 feet of coax and a BNC binding post.

Hopefully this information is useful to you and your readers!
-Jonathan KM4CFT

New Products, News, Pedestrian Mobile, Portable, QRP, QRP Radios

Elecraft KH1 Super Power? Anytime/Anywhere POTA/SOTA Hunting!

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Photo from morning SOTA activation on Richland Balsam.

Yesterday morning, I took my Elecraft KH1 to the summit of Richland Balsam and performed a SOTA activation using only the KH1’s whip antenna on 20 meters (I ran out of time to hit 17 and 15M).

It was insane fun. Without really intending to, I actually filmed the entire hike to the summit, entire activation, and the hike back to the car. I’m not sure I’ve ever done that before.  I plan to post the video by Monday (Nov 6) if at all possible (again, trying to push my KH1 videos to the front of the line for a little while).

Parking Lot Pedestrian Mobile

After the SOTA activation, I drove back to town to pick my daughters up at their acting class. I arrived about 20 minutes before the class ended and thought, “why not pull out the KH1 and see if I can hunt some POTA activators–?”

I opened the trunk of the car, grabbed the KH1 from my SOTA pack and then decided to even film this short, impromptu hunting session.

As you’ll see in the video below, it took no time at all to deploy the KH1, hop on the air and work a couple of stations.

Short Video:

Click here to view on YouTube.

I could have also chased some SOTA activators, some DX, or just looked for a random ragchew with someone calling CQ.

I like hunting/chasing POTA and SOTA activators, though, because the time commitment is manageable. For example, by the time I ended this video, my daughters and one of their friends were already hopping in the car to hit the road. I didn’t have to apologize to anyone for ending a QSO early. 🙂

November is KH1 month

I decided that I’m only going to use the KH1 both in the field and in the shack during the month of November. The only exceptions will be other radios I need to test or if I need to make contacts outside of the 40-15 meter KH1 window.

One of the big reasons for this level of commitment is that I am in the testing group of the KH1. This is how we flesh-out any minor issues that may have gone unnoticed.

Another reason is I do plan to post a comprehensive review of the KH1 eventually and I only feel comfortable doing this after I’ve spent dozens of hours with a radio.

If I’m being honest, another reason is that I absolutely love this anytime, anywhere radio. It’s so insanely portable, I take it with me everywhere. The KH1 and I have been inseparable since last Monday when I took delivery. And, yes, I’m still contemplating what her name will be.

Note that I will post some of my other activations videos this month (I’ve quite a few out there!) and I will also post the occasional bonus video exclusively on Patreon. Indeed, I posted a video on Patreon yesterday where I paired the CHA F-Loop 2.0 with my Icom IC-705.

Stay tuned for more radio goodness and I hope everyone has an amazing weekend!

72,

Thomas (K4SWL)

Field Radio Kits, Grab And Go, News, Portable

Field Radio Kit Gallery: K2EJT’s FX-4CR Field Radio Kit

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Many thanks to Evan (K2EJT) who shares the following article about his portable field radio kit which will be featured on our Field Kit Gallery page. If you would like to share your field kit with the QRPer community, read this post. Check out Evan’s field kit:

FX-4CR Field Activation Kit

by Evan (K2EJT)

I have a lot of QRP field radios (more than I need and then some).  Some of them are one trick ponies, and some of them can do several things very well. One radio, however, does everything well, and ticks every box for me.  It’s tiny, well built, runs all modes very well, has 20w output, a color waterfall, and doesn’t break the bank.

That radio is the FX-4CR from BG2FX.  Now, before I sing the praises of this little radio, I need you to know that it wasn’t always great.  In fact, when I first got it it was pretty painful to use.  I’m primarily a CW operator, so if a radio is lousy for CW, it doesn’t get used.

This radio was pretty atrocious on CW when I first got it.  Keying was strange.  It would miss dits and dahs.  It had all sorts of popping and artifacts when you sent.  It was fine on receive……but sending was pretty much unusable.  I got it, used it for one activation in May, and then put it away in my gear closet, disgusted at how bad it was for CW.

Fast forward to the August 2023 firmware update, and Yu fixed all of the weird CW bugs, and now I can wholeheartedly sing the praises of this radio.

This kit lives in a Pelican case I’ve had forever.  I forget which model it is (it’s so old the label fell off years ago), but it fits the kit nicely.

Inside the case you’ll find everything you need for a field activation.  Notice I didn’t say a CW activation……ANY activation.

CW?  Absolutely. In fact, with the latest firmware this radio is an absolute pleasure to send on.

SSB?  Heck yeah.  The audio from this radio is very good. The external hand mic is tiny but well built, and the radio even has an internal mic which is quite good as well.

Digital?  Ah….digital.  Now THAT’S what sets this radio apart from pretty much any other QRP field radio out there aside from the IC705.  This thing has a built in sound card, so digital is a breeze.  Wait….you forgot your USB cable you say?  Not a problem, because this thing has Bluetooth digital as well, and it works flawlessly. You’ll notice a cell phone in the pictures.  I run FT8 on that via Bluetooth using an Android application called FT8CN.  All you need is the rig and your phone, and you’re in business.

Aside from the rig itself and the Pelican case, this kit contains the following:

  • Bioenno 3ah battery
  • The hand mic
  • Power cable
  • cwmorse.us key
  • Retractable 3.5mm cable
  • Rite in the Rain notepad for logging
  • Pentel mechanical pencil
  • Weaver 8oz throw weight and 65’ of hi viz reflective cordage
  • 15’ of RG316 coax
  • Spark Plug Antennas EFHW and a homebrew wire for the antenna
  • The user manual
  • My phone for FT8

(Gear links below)

There are also a set of flip down laptop legs on the radio from Amazon to get the viewing angle correct.

Now, this radio isn’t perfect (no radio is).  There are a few things to keep in mind.

First, it’s small, but it’s heavy (530g or almost 19oz).  Second, because it’s a 20w radio and it’s as small as it is, it can get hot…..very hot if you’re running digital.

Third, the firmware update process is a little nerve wracking.  Aside from that, it’s a pretty sweet little radio for $550.  It would be nice if it had an internal battery and a tuner, but I can live without those considering how much functionality is packed into this little rig.

Out of every field radio I own (and as I said, I own a ton), this one is probably the most capable.  It’s amazing for CW (finally), SSB, and digital.  It’s tiny.  It’s 20w.  It isn’t crazy expensive.  If I’m doing anything other than just CW in the field, this is one of the radios I grab most often.  Is it the best radio I own?  No.  Is it awesome for what it is?  Absolutely!

Evan

K2EJT

Gear Links:

Readers: Check out Evan’s YouTube channel for more field radio goodness.

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

POTA Field Report: Andrea Activates Two Iconic Cold War Sites

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Many thanks to Andrea (IW0HK) who shares the following field report:

Cold War POTA in Berlin

by Andrea (IW0HK)

In the last week of October, I found myself in Berlin for a work commitment.

Taking advantage of two half-days off, I wanted to combine two of my great passions: radio and the history of the Cold War. I chose to visit two historical sites that also serve as a reference point for the POTA (Parks on the Air) ham radio program, allowing me to transmit with my radio in these unique locations.

The first location is a park located about a kilometer away from where I worked for a week, the headquarters of RBB, the public radio and television of Berlin and Brandenburg. This park is Teufelsberg, which literally means the Devil’s Mountain. It is an artificial hill in Berlin, created using the rubble from World War II, located within the Grunewald forest (POTA reference DA-0218).

On this hill, the Teufelsberg listening station of the American NSA in Berlin was situated, which was used to intercept radio signals from East Germany during the Cold War.

Today, you can still see the remains of the antenna covers of the listening base. I activated the Pota park that has been established around the abandoned base, and I was delighted to transmit my signals in Morse code (CW) in QRP mode in this historically significant place.


I used the small QMX transceiver from QRP Labs, a gem for operating in FT8/CW modes on the 80/60/40/30/20 meter bands.

For an antenna, I used a 20-meter wire connected to an EFHW 49:1 balun, hung above a tree. Amid families flying kites, I made 15 CW QSOs, which allowed me to validate the park activation. The program requires a minimum of 10 QSOs for activation to be valid.

The second activation took place in another symbol of the Cold War: the runway of the former Tempelhof airport. I activated this as a POTA site and transmitted CW QRP with the small QMX transceiver from QRP Labs in the fog and cold.

The Berlin-Tempelhof Airport was an airport located in the southern part of the central Tempelhof-Schöneberg district and was operational from 1923 to 2008.

It is famous for hosting the Berlin Airlift base (1948-1949), which was an incredible operation undertaken during the Cold War by the United States and their Western European allies to transport food and other essential supplies to West Berlin, surrounded by the Soviets.

Today, the airport is closed, and its runway has become a massive park (POTA reference DA-0169) used by Berliners for various outdoor activities. I activated it early in the morning on a gray and cold day, setting up my EFHW antenna practically on the runway.

Again, I used only CW, and in no time, I reached the number of 11 QSOs. The cold made me stop the activity earlier than planned, but the activation is still valid. After concluding the transmissions, I walked through the enormous park, imagining its past use and appreciating how often my amateur radio passion leads me to incredible places.

This was the first test of this “minimal” POTA kit with the QMX transceiver, the 20-meter EfHw antenna, and the XTPower XT-16000QC3 12v power bank.

I must say that the test was successful. This is an excellent little radio that I want to use and take with me on every work trip. The POTA program continually takes me to incredible places, both in terms of nature and history, as it did in this case in Berlin