The following files have been uploaded to the Files area of the crkits@groups.io group. /SDR-40a Documents/SDR-40a user manual.pdf By: Adam Rong Description: In case

Folks, Please take a look at this well written manual by Jack Purdum, W8TEE. https://groups.io/g/crkits/files/R3500D%20Documents/R3500DYOTAAssemblyManualPurdumAndPeters.doc Thanks, Adam

Bill, The designer is BA6BF who is a college teacher. He is also the designer of other KN-series like KN-Q7A, KN-Q10, KN850 and etc. I don’t have recommendations for the seller. As for CAT, I

Hi Adam The Manual is written very well. In the Section you reference the CAT Interface is the Yaesu FT817 I use a RigBlaster Plug n Play on FT817 for WSJTx. Is this a plug and play interface or

The following files have been uploaded to the Files area of the crkits@groups.io group. /KN990A Documents/KN990A HF All Mode Transceiver Operating Manual.pdf By: Adam

All, It is a 40-m Knobless Wonder I made a few months ago. About 2 months ago, I successfully made first two QSO's thanks to the NVIS propogation, as they are both 150km away. Tonight I heard a very

All seen but I have MST 2 SSB from Australia still to build... still in its plastic bags.. and I have a Bare MST1 board plus transformers and IF xtals .. no need for another tcvr (cause I have a

I am working with the designer on the English menu items and operating manual update. Also, a few bug fixes and feature enhancements will be incorporated in the new firmware. Note that this is not a

Adam, Yes, per the instructions and the BOM Spreadsheet I did use a 105 cap at C5. That is the only mod/change I made. Also, I have already started building the second Kit I purchased from you, so I

Nigel, Thanks for responding. I have tried several different sets of cables and multiple USB sound cards with the same result. So I don't think that is the issue. I even used the cables supplied

Tate, Also, please confirm if you have implemented IMD modification. If yes, is it modified by a single 105 cap? The older resistor divider modification is easy to get impacted by RFI. Thanks, Adam

Tate, Can you replace the relay with the part in the 2nd kit? Thanks, Adam

Hi Tate, What's your setup, are you driving the D4D from a PC, tablet or phone. What flavour is your sound card? Things I have noticed are cheap USB cables introduce noise into both the PC and the

Adam, thanks for the suggestion, but unfortunately, the ferrites chokes did not solve the problem. I installed chokes on both ends of both audio cables. I still can't find the sweet spot with the

Thanks, Adam. I will give that a try. Tate

Tate, I have met the similar issue before. I suspect it is due to RFI. I met the issue when I was using an EFHW nearby. A RF choke ferrite on the cables will help. Give it a try. Thanks, Adam

OK, sorry to come back again, but I still have not gotten my 20 Meter D4D working. The unit is receiving great. Always see lots of signals decided. But I am having transmit problems. I can't seem

KN990 versus IC-7300 https://youtu.be/zFFacB0jlUs Thanks, Adam

Let me know... Sent from my Verizon, Samsung Galaxy smartphone

Sounds like a good idea. Thanks for sharing. Thanks, Adam