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antenna analyzer

antenna analyzer PUBLIC

by Rudy2 | updated October 19, 2016

ham-radio  

T90a regulator rev2

T90a regulator rev2 PUBLIC

This is the dc voltage regulator circuit I built for charging and running my Icom T90a handheld radio from my car.

by parabuzzle | updated October 28, 2014

car-charger   charger   ham   ham-radio   handheld   ht   icom   radio   t90a  

Ignition Delay (5sec)

Ignition Delay (5sec) PUBLIC

Delay circuit to power on a ham radio 5 seconds after the car is turned on. Change R1 to alter the delay timing. Based on "The Ignition Switch" circuit by Wayne Mahnker, WA5LUV (QST, August 2009)

by UnixMonky | updated March 05, 2012

delay   ham-radio  

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