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I know it's an old topic, but I felt the need to offer a correction.

The control heads you refer to are, if I'm not mistaken, part of the GE MASTR II's we had in the cars prior to my arrival in ESD. GE made those especially for us.

To the best of my knowledge, Mocoms were never part of the WSP radio fleet.

And yes... The older Syntor X's all have a rocker mike that selects transmit on either area or car-to-car. So do most of the new M/A-Com units, but there has been talk of dumping that feature.

Happy listening.

_________________

Bruce Lane, KC7GR
Owner, Blue Feather Technologies
Motorola programming and conversion service available. See http://www.bluefeathertech.com/rf.html
"Salvadore Dali's computer has surreal ports..."

Previous to the GE Mastrs were ordered, WSP did have Motorola's, in their cars from the 60's and 70's. They may have been something other than Mocoms but M nonetheless. You probably weren't around then, these also had Washington State Patrol embossed across the face with the colored tone select buttons.

_________________
"I was installing un-programmed radios"

Back in the very early 1970's -- The WSP used a special colored button control head -- mounted just above the mobile control head. It was a "PL Tone select" panal that allowed the trooper to select different "PL Tones" that would access remote base or repeater stations. Back then, ( 1968 to 1975 ) almost every WSP office used only the 155.475 / 154.77 "statewide" channels. 155.475 was used by all base stations as a dispatch channel and the mobile units would talk-back or answer the dispatcher on 154.77. For car to car -- the units would switch over and talk on 155.475. Just the same as the CHP does with the "Blue" Channel. But the WSP did have more remote stations and a few repeaters in the very remote mountain areas that the troopers could access -- only by using a different "Colored" PL Tone Button. As the WSP moved each Office to an "Area" channel -- there was less need for a special add on "Tone Box". Now the PL tone is just pre-set with the channel.

Old WSP Channel Guard:

RPTR (MOT) (HZ)

RED 1Z 100.0
GREEN 2Z 110.9
YELLOW 3Z 123.0
BLUE 4Z 136.5
WHITE 5Z 151.4
ORANGE 5A 156.7
VIOLET 6A 173.8
BROWN 6B 179.9

:mrgreen:

_________________
" SILENCE IS CONSENT "

Made to Government Specs:
1) Measured with a micrometer.
2) Marked with a chalk.
3) Cut with an axe.

Jim N7UAP - Bellingham, WA / InterceptRadio.com