top of page
Search
k4lxycw
Jul 314 min read
Spectrum Scope for the KX3
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...
677 views0 comments
k4lxycw
May 102 min read
Zachtek stand alone WSPR beacon, on Mac
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...
47 views0 comments
k4lxycw
Feb 132 min read
Adjusting the KN4YB Bug
Following are suggestions for making initial dot adjustments on KN4YB’s excellent SL171 bug. See the numbers on the photo for...
86 views0 comments
k4lxycw
Oct 5, 20231 min read
Quieter fan for the Astron SS-25 power supply
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...
72 views0 comments
k4lxycw
Oct 3, 20232 min read
An inexpensive audio peaking device for the IC-7300
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...
162 views3 comments
k4lxycw
Jul 5, 20231 min read
Adjusting gain of 300Hz roofing filter in FT-DX10
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...
187 views0 comments
k4lxycw
Jul 4, 20231 min read
Slow down that bug
Bugs such as the Vibroplex are notorious for out-of-control dits. A variety of adapters are available for adding weights to slow them...
88 views0 comments
k4lxycw
Apr 21, 20234 min read
Xiegu X6100 - A CW Op's Impressions.
X6100 with optional side handles I am a sucker for low-power rigs that have experimental and hacking possibilities. In recent years, for...
386 views1 comment
k4lxycw
Mar 13, 20231 min read
Attached external speaker for the X6100
An external speaker is essential with the X6100 but when operating portable I try to minimize the number of separate components that need...
150 views0 comments
k4lxycw
Mar 7, 20231 min read
Managing heat in the Xiegu X6100
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...
1,250 views0 comments
k4lxycw
Feb 5, 20234 min read
Comparing features of the KX3 and Xiegu X6100 for CW
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...
865 views2 comments
k4lxycw
Jun 23, 20222 min read
More portable battery power: The Croc
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....
283 views0 comments
k4lxycw
Feb 22, 20223 min read
A DIY single-lever paddle for the KX3/KX2
QRPguys.com used to sell a very inexpensive and serviceable single-lever paddle that mounted to the KX3 or KX2’s paddle mount. ...
428 views0 comments
k4lxycw
Jan 16, 20224 min read
Making the µBITX transceiver “CW-worthy”
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...
1,595 views0 comments
k4lxycw
Dec 21, 20213 min read
An AGC - or rather AVC - for rigs without one.
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...
998 views2 comments
k4lxycw
Sep 20, 20212 min read
Compact portable power with USB-C PD
Update: Though custom cables are still available from Jim, KD2ZVM, inexpensive versions are now available from Amazon for the various...
551 views0 comments
k4lxycw
Sep 6, 20214 min read
“Lunch box” power bank as transceiver power source
“Lunch box” power banks or stations have become very popular for portable and emergency power. Potentially they offer a lot of capacity...
450 views0 comments
k4lxycw
Jul 20, 20214 min read
The QCX transceiver: A "Best Buy"
At $49 plus postage, the little single-band QCX transceiver from QRP Labs may be the best bargain in amateur radio today.[i] It not only...
285 views0 comments
k4lxycw
Apr 22, 20214 min read
Internal LiFePO4 batteries for the KX3
When operating my KX3 portable, I normally use an external power pack. However, sometimes I want a minimalist “grab & go” setup allowing...
2,741 views5 comments
k4lxycw
Feb 10, 20212 min read
Panadapter on the cheap
When I traded my Xiegu G90 and my RS-918 for a KX3, I missed having a panadapter. I’m a ragchewer, not a DXer or contester, but I like...
2,157 views0 comments
bottom of page