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Navajo Code Talkers display

We put together a display highlighting the Navajo Code Talkers (NCT) for the Veterans Day event at the Veterans Memorial Building of San Ramon Valley (CA), November 11, 2021. We […]

End Fed Half Wave Wire Antennas

Updated: 1/16/2022 – A work in progress End Fed Half Wave wire antennas must be great. Everyone is selling them! Meh. The antenna engineer’s axiom – and – Who doesn’t […]

PRC-174 HF Manpack Radio Set

UPDATE: 10/26/21 I recently obtained a veteran RT-936/PRC-174 HF manpack radio from a fellow Ham (Thanks!). These were made by Tadiran from a design clearly originating from Hughes Aircraft, makers […]

Mil Radio Ops at FOB COVID 2020

The following is a brief After Action Report on Military Radio training operations at Forward Operating Base COVID, July 2020. Scheduling difficulties required delaying from the June 2020 ARRL Field […]

TRC-77A HF CW Transceiver

UPDATED 1/16/2022 A friend recently gave me an RT-654A/TRC-77. Also known as the TRC-77A.  The RT-654(*) is the basic component of the “AN/TRC-77” set. (“TRC” = Transportable Radio Communications. The […]

Fast Patrol Torpedo Boats / PTF-17

PTF-17, PTF’s in general and Coastal River Division 21 Ops: Updated – 12/5/21 A Work in Progress.First, a little background: Why PTF’s?  The Green Water Navy. Despite what several Keyboard […]

The PRC-47 HF SSB/CW/RATT Transceiver

Updated 11/18/21 Some notes regarding the Collins AN/PRC-47.  This radio was designed by Collins and produced by them but they also subcontracted with Bendix to produce additional sets. All Collins […]

AN/GRC-109 “Special Forces” Radio Set

UPDATED 1/9/2022:  My favorite “Black Radio” even with its few quirks.Probably the ultimate “SHTF Radio” for trained (or trainable) personnel.Some research, observations and adventures below; probably more than you ever […]

SCR-284 Radio Set

UPDATED 22 Feb 2021.  The SCR-284 was used extensively during WWII.  The basic component is the BC-654-A receiver transmitter. Designed as a portable field radio, the complete field set could […]

PRC-25 Radio Set

UPDATED 1/22/2022 The AN/PRC-25 (AKA “Prick-25”) had a relatively short but very successful history before it was soon replaced by the incrementally-improved but nearly identical AN/PRC-77. In 1967 General Creighton […]