I’ve used numerous portable antennas over the years.  Doublets, dipoles and end fed antennas work well but require space and supports. ...

Recently I replaced my KX3 with a KX2.  I really liked the KX3 but for my current uses, I wanted something more compact and with an...

Some time ago I purchased a used IC-7300 as a secondary rig and have enjoyed operating it, mainly on CW but also on SSB.  Because I like...

In this era of reduced activity on the CW bands, I find a panadapter or spectrum scope to be very useful and I’ve missed having one on my...

My WSPR signal report on iPad WSPR Watch app I’ve been intrigued by WSPR beacons as a way to track and explore changing HF propagation...

Following are suggestions for making initial dot adjustments on KN4YB’s excellent SL171 bug.  See the numbers on the photo for...

The fan noise from my Astron switching supply was annoying. I had heard complaints about the fan in the IC-7300, but the power supply's...

After working so many folks using an IC-7300, I decided to try one. Somewhat to my surprise, I really like it. As some have said, it is...

I really like the 300Hz optional roofing filter in my FT-DX10 but have been annoyed by the drop in gain when it is switched in. Andrea...

Bugs such as the Vibroplex are notorious for out-of-control dits. A variety of adapters are available for adding weights to slow them...

X6100 with optional side handles I am a sucker for low-power rigs that have experimental and hacking possibilities. In recent years, for...

An external speaker is essential with the X6100 but when operating portable I try to minimize the number of separate components that need...

When I got my Xiegu X6100, I noticed that it could run fairly warm on a long CW QSO. Following the suggestion of some of the folks on...

Recently the VFO B encoder on my KX3 failed. When Elecraft informed me that repair would take 5 months, I used that as an excuse to buy...

Field Day is coming up this weekend and although I won’t be a serious participant, I do plan to be out in the field somewhere with my KX3....

QRPguys.com used to sell a very inexpensive and serviceable single-lever paddle that mounted to the KX3 or KX2’s paddle mount. ...

Some years ago I built a µBITX, version 3, and set out to make it useable on CW. It presented multiple challenges: lots of BCI from a...

LED/LDR audio limiter in uBitx A common problem with many kit rigs, such as the QCX and uBitx, is that they have no AGC. When a strong...

Update: Though custom cables are still available from Jim, KD2ZVM, inexpensive versions are now available from Amazon for the various...

“Lunch box” power banks or stations have become very popular for portable and emergency power. Potentially they offer a lot of capacity...