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Sacramento Valley Area Discussion - Local area specific discussion for Sacramento County and its outlying areas such as San Joaquin and Stanislaus Counties.

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Old 11-27-2017, 7:34 AM
  Amateur Radio Operator
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Join Date: May 2002
Location: Leander TX
Posts: 21
Default Planning a trip to CA

Road trip time!

Seems CHP is still on the same freqs as they were 20 years ago?
No encryption? Not much has changed since I left CA, I guess.
But you can't call anybody Sir or Ma'am anymore.
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Old 11-27-2017, 9:04 AM
  Amateur Radio Operator
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Join Date: Aug 2007
Location: Sonoma Co., California
Posts: 288

Yes, CHP's primary comms are still lowband. They do have 700Mhz extenders though, no longer the 154.905 channel that one became used too...

As for other agencies, it's a tossup depending on where you are going as to whether or not they're VHF, UHF, or P25.


-Frank C.
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Old 11-27-2017, 3:02 PM
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Smile CHP in CA

CHP is still on low band VHF, but from the point of view of channels (named by color), the exact frequencies and CT values have changed for some.

In addition to the extender changes already mentioned, MOST dispatchers now also "repeat" the mobile onto the base channel. Because this function can be enabled/disabled by a dispatcher, I still monitor both base & mobile.
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Old 11-27-2017, 3:34 PM
Join Date: Oct 2017
Posts: 5

I've listened to them since 1994 on my pro-2006. The only big change I notice is that the local offices aren't as strong some of the time. I live close to the San Jose CHP transmitter in the Santa Cruz mountains and it just is not like what it used to be. Gilroy is usually strong and I can see one of the transmitter sites from my roof. I used to hear Modesto from Morgan Hill before they started changing frequencies and transmitters. It was strong also. One time I heard Truckee from Morgan Hill. I was listening on a 13 foot long long wire antenna that was well grounded. I have not traveled with my scanner though I figure a lot of places sound different than they used to. Also Stockton CHP used to be pretty strong from here. The actual codes used over the air are the same.
One time I actually heard Fresno CHP directly on a call up by 180 in the Sierras.
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