Over the weekend in VK3, we had a local hamfest. On one of the tables, i found a cheap and cheerful Icom FL-223 narrow (1.9kHz) SSB filter for the early 2000’s generation icom radios. I have a IC-706Mk2G that was used in a car for a while but is now relegated to a contest/portable 100w…
The inspiration to purchase a RaspberryPi originally came from reading an article about turning it into a simple HF WSPR beacon. The device will output around 10 milliwatts directly from the GPIO4 pin and once connected to antenna will transmit away!. The first step was to build a simple band pass filter, i choose 30m/10Mhz…
As part of my efforts to make the FT817 work as well as it can on sota summits (yes, i tinker too much). I was looking at options for filters for the radio. While i have been spending money on this exercise of “pimping my radio”, i have been acquiring items cheap, second hand or…
So. What do people think the best bang for buck 817 upgrade is?? With the dollar heading north again (if you believe the financial review 🙂 it might be time to order some bits from OS again. My current thinking is a Collins Mechanical filter of some Type/Style/Manufacturer. On my Sota activations. The most common…