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From: Justin T. Fanning (Justinfuturecorp.co.uk)
Date: Thu Feb 21 2002 - 17:11:26 CST
Yes, every 6 - 9 months or so it would appear the ACA tinkers with
the CB class licence. The wording was originally much more
restrictive, in that only "remote reporting" (or similar) devices
could be used, with "packet" deliberatly outlined as prohibited. Now
the band has been opened up to any type of emission that fits within
the broader class licence specifications and a simple blanket duty
cycle limitation has been applied.
I'm not sure of any practical data use for this off the top of my head
except for perhaps a link heartbeat or some type of remote control
circuit to re-boot a crashed PC etc.
I think this is probably some type of ACA test. The first relaxation
of the class licence wasn't abuse, so the ACA opened the regs a little
further. If this isn't abuse, then perhaps they will remove the
duty-cycle restriction next.
Bob Edwards wrote: > Tony Langdon wrote:
>> Hello Justin!
>> 21 Feb 02 12:54, you wrote to All:
>> JF> Some people might be interested to learn the good people at the ACA >> JF> have modified the CB Class licence to allow *all forms* of data on UHF >> JF> channels 22 & 23, with one exception ... "a duty cycle of not more >> JF> than 3 seconds in any period of 60 minutes" ... Well it's a start! It >> JF> use to read packet or similar was a prohibited emission.
>> Hmm, might be enough for APRS, but that's about it. :) >> Tony, VK3JED
> I'm pretty sure that this license change is to allow remote data logging > devices (weather stations, seismology, crop moisture etc. etc.) to send > back their data to home base ("ET, phone home"). Could also be used for > vehicle monitoring with GPS data logged up and bursted back every once > in a while.
> Bob Edwards.