Search found 263 matches

by system_tech
Mon Sep 01, 2008 4:39 pm
Forum: NSW Government Radio Network
Topic: NSW Ambo's GRN MDT's ?
Replies: 11
Views: 1832

Re: NSW Ambo's GRN MDT's ?

geodementia wrote:I believe NSWAS MDT moved off GRN and went to the Telstra CDMA network quite a while ago. It then migrated again from CDMA to Telstra's Next-G (which is just another version of CDMA).
Thats correct :roll:
by system_tech
Mon Sep 01, 2008 4:37 pm
Forum: NSW Government Radio Network
Topic: Control and Backup Control Observation
Replies: 2
Views: 760

Re: Control and Backup Control Observation

Back up control channels only carry voice if all other voice channels are simultaneously in use. In this way they are least likely to be caught out carrying voice if immediately needed as control channel. Its unusual to have 2 back up control channels but is done often when testsing. I understand th...
by system_tech
Mon Aug 18, 2008 5:41 pm
Forum: Other
Topic: Unusual radio stations/strange frequencies?
Replies: 7
Views: 1252

Re: Unusual radio stations/strange frequencies?

For the 150 MHz stuff, I think the official term is "narrow casting".

And yes, subscription via fixed tuned radios is common.

These stations have been around for quite a while.