by mark | Dec 8, 2018 | Uncategorized
it was windy enough today to try out my Chameleon Emcomm II on the river. Unfortunately too windy and gusts so the antenna wire kept dipping in the water. But I got the kite up in the air and could hear some stations on 20m so it’s working fine. i have also finished...
by mark | Dec 7, 2018 | Uncategorized
Instead of using a 12volt to USB power port which sometimes cause noise on lower HF bands I thought I would give this a try. its a UBEC DC-DC coverter which takes a 5.5 to 26volt input and gives us a steady 5volt supply and it supposed to have limited EM interference....
by mark | Dec 1, 2018 | Digital Modes, JS8Call, Raspberry Pi
I added the Adafruit GPS hat to my Raspberry Pi 3B+ today. As well as a GPS it has a real time clock, which should help the time accuracy of the Pi. My first problem was that I had to solder the GPIO connector on. Don’t look to close at the pic, it’s not very good...
by mark | Nov 30, 2018 | JS8Call
Having an accurate time source is important for some digital modes, and normally not a problem when your Raspberry Pi is connected to the internet. But what about when you are at sea or in the middle of the forest or anywhere else with no internet connection? I tried...
by mark | Nov 27, 2018 | Amateur Radio, Digital Modes
Last week I spent some time reading the posts in the Facebook group “RealHFMobile”, There are some members of the group who are having great success using Artificial Gound also known as Ground Tuning Units “GTU” attached to a trolly along with a whip antenna so that...
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