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...
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k4lxycw
- May 10
- 2 min
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...
33 views0 comments
k4lxycw
- Feb 13
- 2 min
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...
63 views0 comments
k4lxycw
- Oct 5, 2023
- 1 min
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...
61 views0 comments
k4lxycw
- Oct 3, 2023
- 2 min
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...
155 views3 comments
k4lxycw
- Jul 5, 2023
- 1 min
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...
183 views0 comments
k4lxycw
- Jul 4, 2023
- 1 min
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...
84 views0 comments
k4lxycw
- Apr 21, 2023
- 4 min
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...
372 views1 comment
k4lxycw
- Mar 13, 2023
- 1 min
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...
148 views0 comments
k4lxycw
- Mar 7, 2023
- 1 min
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...
1,167 views0 comments
k4lxycw
- Feb 5, 2023
- 4 min
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...
798 views2 comments
k4lxycw
- Jun 23, 2022
- 2 min
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....
273 views0 comments
k4lxycw
- Feb 22, 2022
- 3 min
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. ...
414 views0 comments
k4lxycw
- Jan 16, 2022
- 4 min
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...
1,560 views0 comments
k4lxycw
- Dec 21, 2021
- 3 min
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...
976 views2 comments
k4lxycw
- Sep 20, 2021
- 2 min
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...
543 views0 comments
k4lxycw
- Sep 6, 2021
- 4 min
“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, 2021
- 4 min
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...
283 views0 comments
k4lxycw
- Apr 22, 2021
- 4 min
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...
2,524 views5 comments
k4lxycw
- Feb 10, 2021
- 2 min
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...
2,030 views0 comments
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