The ATU-10 by N7DDC is a 10w portable auto tuner, with an internal battery and latching relays ideal for portable use with the IC705. The ATU is ideal for portable use and can be charged with a USB -C style plug, once tuned the relays latch and the power can sleep saving battery. The ATU […]
Low power mesh radios can be fun to provide point to point or point to multi-point communication over short and not so short range. So what is Meshtastic? A text-based radio-based system, that allows off-grid communication between users. A good place to start is here. You can purchase a Meshtastic unit online, they come in […]
OK its controversial, but I need to ask the question what does it actually tell you about your ability to make a QSO. I would argue not a lot, sure its a fantastic tool for telling you how antenna A compares to Antenna B or what are the best times to work country x. In […]
The UK government have set the agenda for new cars to transition from ICE to BEV by 2030. On Dec 21 the SMMT said in a press release “There was some good news, however, with 2021 the most successful year in history for electric vehicle uptake as more new battery electric vehicles (BEVs) were registered […]
The Kiwi SDR now includes the ability to decode ALE 2G, so it’s probably a good time to look at where ALE is used, and how this can add to your SWL. In the UK we have deployed a MOD system for communicating with assets called Defence High Frequency Communication System (DHFCS), which operates on […]
The Kiwi SDR network or receivers allows you to direction find HF transmitters, by using the inbuilt Time Difference of Arrival (TDoA) functionality. TDoA is a method of measuring RF propagation from two or more receivers in an effort to establish the location of the transmitter. You can watch a demonstration of how TDoA works […]