[UK-CONTEST] FW: [FOC] Power line carrier
G3SJJ
g3sjj at btinternet.com
Mon Aug 11 14:21:52 EDT 2003
If you are still unhappy about Class B licencees getting HF privileges, then read this.
We need as much support and activity as we can get. It also strengthens the case for
contests! Chris G3SJJ
-----Original Message-----
From: Vic Rosenthal [mailto:vic at rakefet.com]
Sent: 11 August 2003 19:00
To: hambanjo2 at aol.com
Cc: foc_members at yahoogroups.com
Subject: Re: [FOC] Power line carrier
hambanjo2 at aol.com wrote:
> Its been a long time but multiplexing digital signals is quite old hat
> technology now and has been for about 25 years. Unless the specs are nonsensical
> there is probably not a great deal to worry about except for equipment that does
> not meet the requirements.
Well, then the specs are nonsensical, because the amount of radiation
that is permissable completely prevents weak-signal HF communication.
ARRL (W1RFI) recently did some tests in areas where BPL has been
deployed on a trial basis, and the results were horrific:
http://www.arrl.org/news/stories/2003/08/08/2/?nc=1
Vic K2VCO
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