I void warranties – LDG Tuner connector upgrade
Disclaimer…. This one’s not a kludge. I have an LDG tuner – one of the 100W models, perfect for QRP or barefoot operation. It has… had… UHF connectors. As you…
Soundcard Interface – A Different Approach… Part II
Well, I went on the trip…. and I couldn’t operate a single bit. The noise floor in the hotel was S9+… on ALL HF bands. It appeared to be the…
Soundcard Interface – a different approach
I haven’t given up on my custom PCB for a soundcard interface, because it’s a labor of love…. the first board has been populated, but needs some troubleshooting. I suspect…
USB Soundcard Interface… update 4
Over the past couple weeks, I have been tinkering more with the soundcard interface. I started using FreePCB (http://www.freepcb.com/) – which is a VERY nice PCB drawing program with gerber…
CI-V EXTERNAL VFO CONTROL, PART 4
Today, I tackled interrupts. I’m not so sure I tackled interrupts, so much as i worked on determining the dynamic tuning step timing. I needed a routine to wait for…
CI-V External VFO Control, Part 2
OK, this update won’t have any videos… those will come shortly, so you’ll need to take my word for it. I learned a few things since the last post… so…
CI-V External VFO Control, Part 1
Many years ago, Sam, K9SD, added some interesting functionality to his Icom 781 radios – an external encoder wired in parallel to the VFO control. This may seem trivial, but…
Soundcard Interface Update
after much work, I got the VX1700 interface working. It would appear that the connection convention is a bit strange. From the service manual, Data OUT on the Data Jack…
SDR# as a visual panadaptor
It was a fun contest – this year’s sweepstakes threatened to not be a sweep for me – then again, i didn’t put a serious effort into it. I used…
USB Soundcard Interface
So, after much fussing and messing around with a rigblaster, I had had enough – I knew there must be a better way to interface to my FT1000. First, with…