Armed Forces Day Crossband Military/Amateur Radio Communications Test is May 13


Big Island ARRL News, 30 April 2017, 15:25 hrs, UTC, Post #184.


A copy of the original ARRL Press Release can be found on the righthand sidebar of this blog.

Accessed on 30 April 2017, 15:25 hrs, UTC.

Please click link to read the full story.


The Armed Forces Day Crossband Military/Amateur Radio Communications Test is set for Saturday, 13 May 2017, rather than on Armed Forces Day, Saturday, 20 May 2017.  The new test schedule was done to avoid schedule conflicts with the annual Hamvention in Xenia, Ohio.

According to, the test will present an interesting challenge to both military and amateur radio operators:

“The annual celebration is a unique opportunity to test two-way communication between radio amateurs and military stations (authorized under Part 97.111 of the Amateur Service rules). It features traditional military-to-amateur crossband SSB voice, CW, practice using legacy interoperability waveforms, and the opportunity for participating hams to utilize more modern military modes, such as MIL-STD Serial PSK and Automatic Link Establishment (ALE). Military stations and Amateur Radio stations are authorized to communicate directly on certain 60-meter interoperability channels – 5,330.5, 5346.5, and 5,371.5 kHz.”

“These tests give Amateur Radio operators and shortwave listeners a chance and a challenge to demonstrate individual technical skills and to receive recognition from the appropriate military radio station. QSL cards will be available for stations successfully contacting participating military stations.”

“The Armed Forces Day message will be transmitted via Military Standard radioteletype modes (MIL-STD 188-110A/B). Software is available to demodulate the military serial PSK waveform, and detailed instructions can be downloaded from,
Utilizing this mode with soundcard equipment can be challenging; review the instructions carefully.”

Complete information, including a list of military stations, nodes, and frequencies, is available on the U.S. Army MARS website–

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Opinions expressed in this blog are mine unless otherwise stated.

Thanks for joining us today.

Aloha es 73 de

Russell Roberts (KH6JRM)

Public Information Coordinator

Hawaii County, ARRL Pacific Section

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