Today a fair number of marine electronics still use the old National Marine Electronics Association 0183 networking protocol, which includes some AIS and autopilots. But the most notable are ...

Q. What is the best handheld VHF radio to buy? A. Here are the characteristics I look for in a top-of-the-line handheld VHF. 1. It should meet waterproof standards (IPX-8 is best; IPX-7 is acceptable) ...

A drawback to standard VHF radio communication is that it is limited in range to little more than line of sight. Unlike HF and lower frequencies, VHF’s transmitted waves propagate minimally around the ...

Sirrix VHF / UHF radio encryption modules are an ideal, cost-effective solution for high-end voice encryption for governmental and defense organizations, police departments and public safety ...

Many TV stations with high-band VHF analog channels are moving their DTV transmissions to those channels after analog is shut down on June 12. Some have already made the transition and found viewers ...

Information: Catalog and Supplier Database for Engineering and Industrial Professionals.

Another difference in the new world of digital television broadcasting: VHF is no longer king of the bands. For years the preferred position on the analog dial, the inherent characteristics of VHF are ...

The magnetic loop antenna is a familiar sight in radio amateur circles as a means to pack a high performance HF antenna into a small space. It takes the form of a large single-turn coil made into a ...

MCLEAN, Va., March 7, 2024 /PRNewswire/ -- Aireon, the leader in space-based air traffic management data products and services, is setting the stage to lead the next big evolution in safety and ...

JOHNSTON, IOWA I recently fielded some questions from a colleague regarding the upcoming spectrum auction. The colleague observed that it appeared that the FCC was clearing the way for UHF stations ...