Folks, QP-7C is a CW transmitter kit of 3 transistors. It is a replica of the classic MIZUHO QP-7 on three units of my Choc Perfboard. Besides a few solder bridges on the bottom side, there is no need

Folks, https://mp.weixin.qq.com/s/f4e_zxaM2-hjxlNoRjo8VQ The output is quite big and clean. Perhaps 12V is too hot. Thanks, Adam

Folks, I have just completed moving and am ready to get back to normal. Currently, I have the following kits in stock. CS-40V SSB Transceiver Kit with Speaker Microphone R3500D 3.5-3.6MHz ARDF Receive

Hello On FT8 fréquency??? 73 Patrick F6GWE ________________________________ De : crkits@groups.io <crkits@groups.io> de la part de Cierra <dubosec@...> Envoyé : lundi 22 mars 2021 18:30 À : crkits@gro

Folks, I am talking to BA6BF about the possibility to resell through my channel and basically he agrees. As I have other competitors, I would choose to resell as is, without too much customization, bu

I just put together the 40-meter version of DSB and measured about a watt and a half. I then decided to pull my 20-meter version which has been sitting for a while I then checked the output on it wasn

Hi all, This is the Chinese Niu Year. Niu = Ox. As a holiday project, I built a uSDX in DL2MAN 5-band form. I like the design very much. Many thanks to the original designer Guido P1NNZ who just joine

After placing the 470 ohm resistor across the L1, the signal is still at a different frequency than I had expected. This is the signal at the antenna when TUNE is engaged in the software. Receives ope

I have been assembling the 20 Meter kit and it is very nice. I did have an issue with a defective relay but it seems to be working well now. However, when I check the frequency and power at the antenn

Hello all, Some years ago I bought a KN-Q7A kit for 40 meters but didn't get around to even opening the parcel until a few weeks ago. I have finished the kit today. The receiver works well with strong

Folks, The D4D: DSB transceiver for Digital is out of stock. The order comes in every month but I have to keep my stock as low as possible to facilitate a move in Spring this year. When it gets warmer

How do I download D4D 20 manual and parts list? Thanks Larry

Hello Adam / Group I am having some building challenges. I am keeping track of all parts of the various manuals as per the instructions. I am building a CS-40V (“USA” 40M) SSB _without_ the “sandwich”

I want to run JTDX on a raspberry pi 4. What software would you recommend for audio interfacing. Any other tips and recommendations welcome. Need the thing up and running before Thursday.

Guys, Thanks to JL1KRA who brought up the idea and provided the English manual. I made it with my Choc perfboard. The output is 1 watt at 12V power supply and it worked great. See the video of the fir

Folks, Recently I modified Pixie and founds something interesting. Here is my schematic and the articles in Chinese. https://mp.weixin.qq.com/s/9WmZpzL8BClo2Q1xnlz4_Q https://mp.weixin.qq.com/s/SGIxWM

My HT-1A is only putting out about 2.5W. Originally it put out nearly 5W. Any suggestions of where to start troubleshooting? Thanks 73 Howard K4LXY

All, Due to the exchange rate of USD to RMB, I have to adjust the EMS shipping cost from 20 USD to 22 USD to compensate my loss. Meanwhile, the cheaper shipping will be increased a bit as well. Thanks

Folks, This video shows my MX-21S and its companion keyer and a holder made by JL1KRA. Thanks to JL1KRA! https://mp.weixin.qq.com/s/9NL4BP1RrUQED4fB70nSfw Thanks, Adam

Guys, I picked up a bail for my HT-1A. It works great with the little rig. https://www.ebay.com/itm/Special-folder-Holder-Stand-for-xiegu-G1M-X1M-SDR-HF-transceiver-ham-radio/174445417920?ssPageName=S