National Sites
| American Radio Relay League (ARRL) |
| Fed Communications Commission |
| Call Sign Lookup |
| Product Reviews |
| Research Vanity Call Signs |
Equipment Vendors
| Ham Radio Outlet (HRO) |
| MTC Radio |
| American Radio Relay League (ARRL) |
| Fed Communications Commission |
| Call Sign Lookup |
| Product Reviews |
| Research Vanity Call Signs |
| Ham Radio Outlet (HRO) |
| MTC Radio |
Use the buttons below to RENEW as an Individual or Family Member. Click Here for our policy.

The Soldersmoke Direct Conversion Receiver was the first time I had ever built anything with a permeability tuned oscillator (PTO for short). I had never previously been that interested in [...]

Note – A number of folk have mentioned experiencing difficulty leaving comments underneath posts on this blog. Unfortunately, I don’t how to remedy that, or even whether I could. It’s [...]

With many of the projects described in this blog, the idea to build them had been in my head for a while (often years) before it was finally acted on. [...]

NOTE: In the following post, I’ll be referencing component designators according to the original schematic, which is in the SST manual, available here, on Ken WA4MNT and Karen KF4EEL’s QRPBuilder [...]

Well gosh. About a month ago, it was feeling as if every builder in the homebrew community had built the SolderSmoke Direct Conversion Receiver, apart from me. That’s a slight [...]

After finishing the two-transistor “Jingy 40” regen, I was looking for a little transmitter to use with it. I cycled through a few different designs, before deciding to “play it [...]

I’m not a collector of vintage headsets. 2 years ago, I purchased a high impedance Western Electric headset for listening to crystal sets. I also bought a set of “Baldies”. [...]

Back in 2010, I became interested in legal micropower broadcasting under the FCC Part 15 regulations, and assembled an SSTRAN AMT3000 kit transmitter for the AM broadcast band. I had [...]

Or “The One-Transistor Regen That Turned Into A Two-Transistor Regen” with thanks to G3XBM and N0WVA. (Note – if reading this post on a computer, you can click on any [...]

No new construction projects here, I’m afraid, and none planned for the foreseeable future, though I have made some exciting and worthy acquisitions. A couple of years ago, I was [...]
ImageOnline marketplace eBay has imposed new restrictions on listings of radio transmitting equipment in response to new FCC rules that took effect this week, but responded to ARRL The National Association for Amateur Radio® that [...]
Amateur radio operators from Florida’s Santa Rosa, Nassau, Lake, Pinellas, and Leon Counties played an important role in supporting emergency communications efforts during and following Hurricane Isaias, helping ensure that [...]
Look for improved propagation on the upper HF bands, as both thesunspot numbers and 10.7-centimeter radio flux remain near or above100. According to NOAA's Space Weather Prediction Center (SWPC),the increase [...]
The 21st annual ARRL Online Auction, sponsored by GigaParts, is open now through October 22. Browse more than 200 items and place your bids!This year’s selection includes gear from QST “Product Review” [...]
ARRL The National Association for Amateur Radio® will close our headquarters at 12 PM Eastern time on Friday, October 9, 2026, for a staff event.The ARRL Headquarters lobby and store, [...]