A reader reached out to me this morning asking about the Mountain Topper MTR-3B. It reminded me of a teaser LnR Precision posted earlier this month in an MTR-4B update on their website. Here’s what they said:
Update: 4/1/23: We do not have MTR4 V2.3 available for purchase now but will be releasing more for purchase on May 1, 2024.
Apologies on the delay but we needed more time to get parts that are in short supply and fabricate. This will be the only and last offering of the MTR4b V2.3 radios as we are shifting focus on a redesigned and re-engineered version of the popular MTR3B!
It is our hope to have these out in Fall of 2024 if possible, but no guarantees.
I’m very excited about this news! I own two MTR-3Bs and absolutely love this model. When I checked in with LnR a couple of years ago, they said they had no plans to produce the MTR-3B again. They must have noticed the strong customer demand.
I assume the new model might incorporate some of the upgrades found on the MTR-4B, like an SWR and Power Output meter and a more accessible sidetone control. We’ll have to wait and see!
LnR is a small “mom-and-pop” company, so we’ll need to be patient as they introduce the new MTR-3B. I’m sure they’ll struggle to keep up with demand. I, for one, am eager to see this super-compact transceiver back on the market.
Many thanks to Mike (N2HTT) who recently reached out:
Hi Tom,
I recently treated myself to a Penntek TR-45L, and I think it’s the perfect field CW rig, except for one thing: the viewing angle sitting on a table is too vertical.
I made myself a tilt cradle that holds the rig at a 15 degree angle. It is form fitted to the rig, allows good clearance to all the controls front and rear, and raises it up off the table just a smidge.
Mike thanks/blames me for his purchase of the TR-45L and asked if I wanted one of his 3D-printed tilt cradles for my TR-45L. I just received it today at no cost to me–thanks, Mike!–and I really like the angle for using the TR-45L in my shack (and in the field, for sure).
You might recall a recent POTA activation where Jonathan (KM4CFT) joined me at the Vance Birthplace K-6856 US-6856–?
Jonathan used my Penntek TR-45L for his portion of the activation, and I was pleased he got to spend some time with this magnificent CW machine. You might also recall that it still had a buzz in the speaker audio–something inside the radio was vibrating.
KM4CFT working the TR-45L in late December 2023.
I tried to track down the buzz as Jonathan operated by tightening some of the screws holding on the speaker grill (yeah, I’m sure that was annoying, and he’ll think again before activating with me in the same space–!). I knew, though, it was something inside the chassis that was vibrating with audio.
As I also mentioned, my TR-45L was a prototype unit (I helped Beta test it)–it had a couple of mods and wasn’t exactly representative of the upgraded production model.
John (WA3RNC) at Penntek reached out to me after I published my recent field report and video; he offered to upgrade my TR-45L to the production chassis which would sort out the buzz. I was most grateful, of course!
He then asked if I would be interested in checking out the TR-45L “Skinny,” which is essentially a TR-45L in a much skinnier chassis. The Skinny model lacks the ATU and battery options but is lighter weight and more portable. I mentioned to John that I’d like to purchase one, actually. Since John was interested in sponsoring QRPer, we ended up working out a barter (at full market price) for ad space. I love this arrangement, actually, because I was going to approach him about sponsorship at some point anyway.
The Skinny!
Now keep in mind that the TR-45L is one of my favorite CW radios. I love the audio, the receiver characteristics, and the “Apollo era” aesthetic. I think it’s one of the best-looking and best-sounding radios on the market.
The Skinny is just like the bigger TR-45L, just roughly half the depth. I did have concerns that the audio wouldn’t be as good since the acoustic chamber would be smaller, but turns out, I had nothing to fear. The Skinny’s audio is on par with its bulkier sibling.
There was no learning curve with the Skinny because 1.) it’s identical in operation to my TR-45L and 2.) Penntek radios have super simple interfaces, and almost every function has a top-level direct control.
Zebulon Vance Birthplace (US-6856)
On Tuesday, February 27, 2024–the day after receiving the TR-45L Skinny–I packed it up and took it to the Vance Birthplace for its inaugural POTA activation!
That day, I had about 90 minutes to enjoy an activation, and I was looking forward to spending time with the new Skinny.
Vance was a great choice that day because the weather was moody; it was gusty, rainy, and I knew their picnic shelter would provide excellent cover.
The Skinny (in its padded bag), the MC-750 and my ABR cable assembly.
The TR-45L Skinny, unlike my original TR-45L, has no internal Z-Match ATU, nor does it have an internal battery. In fact, there’s no room for either in the Skinny, so it’s not even an option.
I paired the Skinny with my Chelegance MC-750, which is a resonant antenna when deployed correctly, so there was no need for a matching device. I supplied power via one of my 3Ah Bioenno LiFePO4 batteries.
Setup was simple and easy!
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 Sunday, March 3, 2024, I had a couple of errands to run in downtown Asheville and also had to pick up my daughter.
I ended up having about 40 minutes to kill and, since I had my Elecraft KH1 field kit packed in my EDC bag, I thought it might be fun to fit in a little radio time.
Since I was downtown, the only viable POTA site to hit would be the Thomas Wolfe Memorial–you might recall my activation there last year–but technically, the park was closed. It is an urban park in the middle of Asheville, and there are no gates to keep people from walking across the grounds, but still, I’d feel better activating with permission from the staff first. (I’m pretty sure they’ll grant that permission, by the way.)
Instead of activating, I decided to do a little POTA hunting.
I parked at the spot where I planned to meet my daughter and grabbed my KH1 field kit.
My good friend, Ara (N6ARA), designed a small 3D-printed adapter that allows his TinyPaddle Plug to fit the KH1 securely. He sent me (free of charge) this new key/adapter to evaluate.
The adapter is a super simple design that works with the TinyPaddle Plug (not the TinyPaddle Jack).
I hadn’t used this new adapter in the field yet–I only very briefly tested it at the QTH a couple of days prior.
I mentioned last year, shortly after the KH1 was introduced, that I expected a number of 3rd party paddles to start appearing on the market. Since the interface with the KH1 is a standard 3.5mm plug, it does open the door to 3D-printed designs and experimentation. Admittedly, it’s a small space to fit in a paddle, but it’s doable.
I believe N6ARA was actually the first non-Elecraft paddle I used on my KH1 because his TinyPaddle Plug will fit it natively. That said, the new KH1 adapter makes it a proper secure fit–the way it should be!
Side Note: The OEM Elecraft KH1 paddles (the KHPD1s) are now in Revision 2, and all KH1 owners (who received the original paddles) will get version 2 paddles eventually via Elecraft for free.
The original KH1 paddles have a green circuit board.
I haven’t received my Rev 2 paddles yet, but I know I will before long. It’s my understanding that the Rev 2 paddles have a much better feel, and keying is more accurate.
Still…it’s brilliant that Elecraft used a standard jack so that we hams can design our own paddles if we like.
The TinyPaddle Plug
Ara’s TinyPaddle design is super simple, and while he originally designed the TinyPaddle to be a back-up option, I know a number of hams who use the TinyPaddle as their main field key.
Again, I can’t stress how cool it is to have a radio that allows you the flexibility to hit the air pretty much anywhere, anytime.
The KH1 is so quick to deploy, low-impact, and low-profile.
It’s as conspicuous as holding a transistor radio with a telescoping whip. So far (it’s still early days, let’s be honest here) no one has seen me with the KH1 and asked me if I’m a spy. I can’t count the number of times I’ve been asked this over the years of POTA activating!
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 another QRPer Notes, a collection of links to interesting stories and tips making waves in the world of radio!
My good friend, Vince (VE6LK), came up with a great idea a few weeks ago: reach out to CW ops and ask one question that might help newcomers to Morse Code. Each video is 2-3 minutes long and features a number of ham radio operators who operate CW (I’m chuffed to be one of them). I’ve learned something from each of these videos. Click here for the full playlist, or start watching via the embedded player below:
LICWC CW Haptic Device
Many thanks to Perry (N5PJ) who shares this video from Kyle (AA0Z):
Simple FT8/FT4 via a KX2 and iPhone
Many thanks to Jason (KD9ZHF) who shares the following video from Mark (KD7DTS):
In the spirit of full transparency: he sent this at no cost to me, and, as a reminder, Chelegance is also an affiliate of QRPer.com.
I’ve been eager to take the 80-meter coil on a POTA activation because 1.) if it proved effective, it would be great to have such a low-impact, low-profile antenna for 80 meters, but 2.) it’s been very difficult to fit in an evening POTA activation with my family life.
It would have been difficult to gauge how effective an 80M antenna performs in the late morning or early afternoon when I typically activate local parks/summits.
On Wednesday, February 6, 2024, a two-hour window of opportunity opened. One of my daughters had a dress rehearsal that night, and I knew of a nice, quiet, secluded POTA spot only 25 minutes away.
Pisgah National Forest (K-4510) and Game Land (K-6937)
My original plan was to arrive at the Looking Glass Falls’ picnic area, deploy the antenna, fire up the stove, make some coffee, eat on-site, then begin my activation after the start of the UTC day.
So why wait for the new UTC day?
Mainly because once you hit the new UTC day, it counts as a new activation. That really works in your favor as an activator if your goal is to complete a valid activation (with ten contacts) and you’ve enough time to do that before the UTC rollover. If you time it all correctly, you could activate double the parks with a minimum of 20 contacts (split 10/10). In my case, that would mean a total of four parks activated in one evening (since this was a two-fer).
I decided fitting in an activation prior to the UTC rollover simply wasn’t worth the rush.
Once I arrived on-site, however, I was already changing my mind.
I started my activation video, deployed the MC-750, and looked at my watch. I had roughly 15 minutes before the UTC rollover.
It would be tight, but I decided to give it a go and try logging ten contacts before 18:59:59 local (or 23:59:59 UTC).
If I couldn’t log ten before the UTC day, who cares!? It would be a fun challenge for sure, but I wasn’t going to cry if I couldn’t gather enough contacts for a valid activation.
There was another factor, too: operating 80 meters with a 17′ loaded vertical isn’t exactly “efficient.” My theory, though? It doesn’t need to be efficient. It’s crazy portable, convenient, and as a POTA activator, I only need enough performance to get the job done.
Time to hit the air!
Radio Gear:
Note: All Amazon, CW Morse, ABR, Chelegance, eBay, and Radioddity links are affiliate links that support QRPer.com at no cost to you.
In late December 2023, I received a package from Jesse at JNCRadio/Chelegance. It was their new MC-599 portable dipole antenna. They sent it—full disclaimer: at no cost to me—for evaluation, but shortly after receiving it, life got crazy and I was delayed in taking it to the field.
Fast-forward to February, and I was eager to take it to the field and see how it might perform. On February 5, 2024, a nice window of opportunity opened in the afternoon while one of my daughters was rehearsing A Midsummer Night’s Dream with her cast. Pisgah National Forest and Game Land were a 20-minute drive from her meeting site, so I headed there to deploy this new antenna.
The JNCRADIO MC-599
On-site, I pulled out the two main components of the MC-599 dipole system: the bespoke padded bag holding the antenna and the portable mast.
I knew the basics about assembling the MC-599 because I had watched a video on the Chelegance website that morning.
However, this was the very first time I had deployed the MC-599. I had never even removed any of the antenna components from the padded bag.
With this antenna, it’s best to have an open area for the two sides of the dipole (two telescoping whips) to fully extend without touching tree branches, etc. I had one particular picnic site in mind at the roadside picnic area I chose, but a couple was having a picnic there when I arrived. I waited to see if they might be leaving soon, but they weren’t, so I chose a site I had used before, even though it was flanked by trees.
Assembly was easy: I simply attached the center of the dipole to the 13′ mast, then attached the two telescoping whips to either side and extended them to the 20M position silkscreened on the whip (identical to the MC-750 vertical markings—see below).
Next, you simply attach your coax to the center of the dipole, then extend the mast all the way up.
I had to avoid touching tree branches, but it actually fit quite easily into this small space.
Since it was a bit breezy, I used some line to guy the mast. Ideally, you’d want a minimum of three guying points, but I only had two lines with me, so I made do, and it worked fine—the antenna was stable.
Next, I set up my radio: the Yaesu FT-818ND. Since the MC-599 was, in theory, resonant, I didn’t need an ATU for a match.
I turned on the FT-818 and discovered that the SWR was a perfect 1:1. Amazing.
I suppose I shouldn’t have been surprised because my Chelegance MC-750 is always perfectly resonant (without needing a transformer) simply following the whip markings for guidance.
I should note here that the MC-599 can handle up to 200 Watts PEP—I was pushing 5-6 Watts. Also, the frequency range using the whips is from 20-6 meters. Chelegance also includes two 7 MHz wire elements that can be deployed in an inverted vee shape to play radio on the 40-meter band. It’s an efficient system and has many fewer components than a Buddipole systems I’ve used in the past.
Gear:
Note: All Amazon, CW Morse, ABR, Chelegance, eBay, and Radioddity links are affiliate links that support QRPer.com at no cost to you.
Keep in mind that my POTA site was in a deep valley, flanked by high ridge lines–I wasn’t sure what to expect as I hopped on the air.
I started calling CQ POTA and the first station I heard was DL1OK operating in Spain as EA8/DL1OK. Logging Dmitrij was a good sign indeed for this portable dipole!
Stations kept flowing in. I worked my first ten contacts in ten minutes.
I continued working stations in a continuous pileup until I ran out of time. I ended up logging a total of 46 contact all within 50 minutes. I did spend a few extra minutes (as I always do) trying to pull out weak stations and slower code stations.
What fun!
QSO Map
Here’s what this five-watt activation looked like when plotted out on a QSO Map.
Note that this map does not include my contact with EA8/DL1OK in Spain:
Activation Video
Here’s my real-time, real-life video of the entire activation. As with all of my videos, I don’t edit out any parts of the on-air activation time. In addition, I have monetization turned off on YouTube, although that doesn’t stop them from inserting ads before and after my videos.
I’ve got to admit: the MC-599 made a great first impression.
As with the MC-750, I’m most impressed with the build quality. The components are all sturdy and nicely machined. The padded case was custom made to hold the MC-599 and its components. Everything fits together as it should and—again—was resonant when deployed according to the whip markings.
Even on this inaugural deployment, it didn’t take long to set up. The next time I deploy it, it will go even faster. Packing it up afterward (as you can see in the video) went very quickly.
Keep in mind: the MC-599 is a low-impact, high-profile antenna.
If you’re at a site that doesn’t allow antennas in trees, the MC-599 could be an excellent option. Other than using optional guy lines that would require tent stakes in the ground, it would have no impact on park grounds.
I love the fact that the MC-599 is self-supporting. This would be an absolutely brilliant antenna to use at parks with wide-open spaces and few trees for support.
That said, it is not a stealthy antenna. In fact, portable dipole antennas are some of the most conspicuous portable antennas you could deploy. They’re maybe slightly less conspicuous than a hex beam or Yagi. Even though I was cloaked by a few trees, the couple that was occupying the picnic site I had hoped to use couldn’t help but stop by on their way out and ask what it was I was doing. I bet if I had been using a wire antenna, they wouldn’t have even seen it.
I would always ask permission before setting up an antenna like the MC-599 at, say, a small historic site or urban park.
I could also see using the MC-599 for SOTA (Summits On The Air), but primarily on summits that are either drive-up, or where the hike is minimal. The aluminum alloy mast is lightweight for its size, but it’s quite large to consider taking on an extended hike. However, for a nice drive-up summit, I imagine you could work some serious DX. Just bring a few guy lines in case it’s windy.
I do think the MC-599 would make for a great Field Day antenna. Since it can handle up to 200W PEP and is easy to lower and switch bands, it would be a brilliant portable option for those operating a multi-band 100W rig.
But obviously? It’s an exceptional performer with QRP power. It’s hard to beat a dipole even when it’s only 13′ off the ground.
Thank you
Thank you for joining me on this fun activation!
I hope you enjoyed the field report and my activation video as much as I enjoyed creating them!
Of course, I’d also like to send a special thanks to those of you who have been supporting the site and channel through Patreon, and the Coffee Fund. While certainly not a requirement as my content will always be free, I really appreciate the support.
As I mentioned before, the Patreon platform connected to Vimeo make it possible for me to share videos that are not only 100% ad-free, but also downloadable for offline viewing. The Vimeo account also serves as a third backup for my video files.
Many thanks to my buddy, Don (W7SSB), who shares the following photos and product brochure of the yet-to-be-released Xiegu X6200.
The X6200 is not yet in the hands of reviewers, nor is it in production. This hasn’t stopped some people from “reviewing” this unit, so take anything you read up to this point with a grain of salt. A lot of folks have asked me what I think about the X6200, but I won’t comment until I’ve actually gotten a unit and tested it in the field.
I do have a few notes:
I hope Xiegu takes time to have the X6200 thoroughly field-tested prior to production. In the past, early adopters have really taken on the role of Beta testing; it all makes for a very confusing evaluation period. In the same vein, I hope that more of the advertised functionality works from day one.
Xiegu mentions that this unit has improved receiver sensitivity and a lower noise floor–both of these are most welcome. I hope this equates to more refined audio as well.
I hope the receiver front end is more robust and has built-in BCI filtering. Previous models have suffered from overloading.
Of course, I will plan to review the X6200 and give it a thorough shake-down.
QRP radios, product announcements, reviews, news and more. Low power amateur radio fun!
Please support QRPer by adding us to your whitelist in your ad blocker. Ads are what helps us stay online. All of our ads are ham radio related--no junk, we promise! Thank you!
