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| Re: non-GMC: Fort Gordon GA radios jam garage door remotes [message #210668 is a reply to message #210659] |
Tue, 11 June 2013 08:05   |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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Senior Member |
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The clue to this affair is written in the article. Consumer grade units are operating in a military frequency band. They are unlicenesed users of this piece of the spectrum. The purchasers did receive this information when they purchased their garage openers, etc. I admit that it is in the fine print. FCC part 15 rules; consumer unlicensed operations are at the bottom of the pile.
As more and more uses for the limited spectrum, there will be more of these conflicts. The garage door openers can be protected from interference, but most people would balk at additional costs. Be careful what you say around your baby monitor. LOL
Tom, MS II
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: [GMCnet] non-GMC: Fort Gordon GA radios jam garage door remotes [message #210791 is a reply to message #210668] |
Wed, 12 June 2013 10:54 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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We run five RF plants via unlicensed spread spectrum microwave systems, using 2.5 and 6GHz bands. They've run fine for 12 years so far... but we live in fear of the day other RF generators begin to appear and we start taking his on these systems. Dunno what we will do at that point. We back them with i.p., but we really have to have a deterministic path.
--johnny
'76 23' transmode norris
'76 palm beach
________________________________
From: Thomas Phipps <tph1pp5@yahoo.com>
To: gmclist@temp.gmcnet.org
Sent: Tuesday, June 11, 2013 9:05 AM
Subject: Re: [GMCnet] non-GMC: Fort Gordon GA radios jam garage door remotes
The clue to this affair is written in the article. Consumer grade units are operating in a military frequency band. They are unlicenesed users of this piece of the spectrum. The purchasers did receive this information when they purchased their garage openers, etc. I admit that it is in the fine print. FCC part 15 rules; consumer unlicensed operations are at the bottom of the pile.
As more and more uses for the limited spectrum, there will be more of these conflicts. The garage door openers can be protected from interference, but most people would balk at additional costs. Be careful what you say around your baby monitor. LOL
Tom, MS II
--
1975 GMC Avion, under forever re-construction
Vicksburg, MS. 3.7 miles from I-20
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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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