by Michael Martens | Oct 2, 2019 | emcomm
You may have seen it in the user manual of your radio‚ in a radio advertisement‚ or talked about in an online forum. I’m talking about cross-band repeating. But what is it- how does it work- and most importantly- how can you use it. I’ll talk about this somewhat...
by Michael Martens | Nov 6, 2018 | emcomm
I’ve done a couple of videos on APRS, or the Automated Packet Reporting System. APRS is a tactical real-time communication system to share location information and short messages. It can be really handy for tracking vehicles and other assets during events like...
by Michael Martens | Oct 27, 2018 | emcomm
A couple months back you may have remembered my video and blog post on NVIS or Near Vertical Incidence Skywave propagation. In that video I give a introduction to the NVIS method and perform a real world demonstration of an NVIS contact. Well that video was as a...
by Michael Martens | Sep 17, 2018 | VHF
The Automated Packet Reporting Service is a digital real time communications system to share tactical information and messages. The most common activity in APRS is to plot the location of moving objects using GPS information, but APRS can also be used for short...
by Michael Martens | Jul 25, 2018 | Ham Radio Q and A
Near Vertical Incidence Skywave Propagation is an effective form of HF communication for stations in a 100 – 300 mile range. Ideal for Emcomm, the emergency communicator should be familiar with the use of NVIS antennas and propagation. Learn more about NVIS for...
Recent Comments