Folks, I just received a notification from my shipping agent that the international shipping is abnormal due to COV outbreak worldwide. They are not liable if the shipping is delayed or returned. If i

Hi! Does anybody have any thoughts about attempting to replace the crystals in a D4D with a SI5351A-based VFO? I have a spare SI5351A and microcontroller, so it's tempting to try something like VK5DJ

Folks, We’ve added two holes for power on switch and tune switch for ATU etc. The new faceplates will be used immediately in the next batch. Thanks, Adam

Hello, This email message is a notification to let you know that the following files have been updated in the Files area of the crkits@groups.io group. /CS-xxV Documents/CSxxVpartlist20200605for40m15m

Hello, This email message is a notification to let you know that the following files have been uploaded to the Files area of the crkits@groups.io group. /CS-xxV Documents/CS-15V Schematic 20200605.pdf

Final setup, not as elegant but functional. 🤗

Can I use a 20 ohm instead of the 22 ohm resistor in R18? Chris Sent from my Verizon, Samsung Galaxy smartphone

The results are in. Impressive -- Best Regards, Nigel Young

Folks, The first 50 pcs is running short. We will need to place order for more panel PCB. In the new batch PCB, we will add the hole for the power switch. The estimated time is next weekend and the ea

It's been an interesting couple of days. I am at the point of diminishing returns. Some would say I told you so 🖐️ Firstly, on my test with Adams board as stock. Working great. After I fit the input f

A proposal for a 4 band D4D all in one. Warning! A long read. Now, it seems us hams are never happy with our lot and so, whilst pondering over Adams D4D kit I wondered how hard it would be to build a

Folks, Inspired by the CA3028 DC RX build by JA9MAT, I started to experiment with this old chip. The internal circuit is very simple, but it can be used as a mixer, amplifier and more. As it cannot be

Here is a video of the HT-1 working France on 40 meters. https://youtu.be/kQ3ejWvU-3M One last share about the HT-1-- its been a fun little rig and I would love to have one with the 30 or 17 meters. 7

Hello, This email message is a notification to let you know that the following files have been uploaded to the Files area of the crkits@groups.io group. /D4D Kit Documentations/Piconfig.pdf Uploaded B

Hello, This email message is a notification to let you know that the following files have been updated in the Files area of the crkits@groups.io group. /D4D Kit Documentations/d4dpartlist20200524forMP

Hello, I have just updated the web site to include CS-xxV and CRK-10A ordering information. http://crkits.com Email order is more interactive so I will slowly change to email order later. The HT-1A st

Alright Driekus up until yesterday evening that was my problem too. Then I started with my Sound Blaster dongle got Sound Card and it started receiving packets on the Waterfall. Well good luck as we t

Hi Adam, Can we purchase extra crystals for different bands with the D4D kit if we buy at the same time? Sorry if the question has been asked before. The only place we can buy them in the Asia Pacific

Folks, As the previous batch of taller (HC-49U) crystals with 14.070 MHz marking are depleted, the new crystals are shorter (HC-49S), and the marking is 14.074 MHz. The oscillating capacitors are chan

Folks, With 5-watt, I logged the first QSO at 21.255MHz. See this post: https://mp.weixin.qq.com/s/2Xaxjzf4M2VKpGGPbA1fyQ Thanks, Adam