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 25, 2018 | VHF
With APRS or the Automated Packet Reporting System, we can control how our packets are disseminated in the system by choosing the appropriate path settings. Since APRS is a one to many form of communication: that is our packet could be picked up by any number of...
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 | Aug 21, 2018 | Ham Radio Q and A
Are you looking for a fun and easy antenna project? The 1/4 ground plane might be just the ticket. If you are just starting out in amateur radio, you may not have collected the amount of resources that a more seasoned ham might have. This would also include antennas....
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...
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