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Subject:
220 MHz use and modes used and possible encryption?
From:
Jeff Kenyon <[log in to unmask]>
Reply To:
Blind-Hams For blind ham radio operators <[log in to unmask]>
Date:
Sat, 23 Oct 2004 17:58:44 -0400
Content-Type:
TEXT/PLAIN
Parts/Attachments:
TEXT/PLAIN (12 lines) 
Hi everyone.  I was just doing a casual search of the 220-222 MHz range
here in my area, and I have a couple of trunked systems that are in my
area that are listed for  this band, and they are the MPT-1327 types of
systems, and when I have searched there before I have heard control
channels, and on one other occasion I have heard voice coms there, and
today I also heard these coms.  I first started to monitor in narrow band
FM which is the default for my scanner, and then tried to monitor in wide
band FM and AM with no luck.  It appears as though they are either using
SSB or some kind of analogue encryption.  I am not sure if there is any
conventional use or who else uses the 220-222 MHz band, but what I was
wondering is what have others heard in the 220-222 MHz range in your area?

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