jacobsmith
Member
Why do mostly all VHF radios range start at 136 Mhz.... isn't that for airband ONLY? I'e never heard of FM in this range. Thanks.
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136-174 MHz?
- Thread starter jacobsmith
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Fast1eddie
Member
Federal Government has allocations from 136-144, NOAA weather satellites, military aircraft is found from 138 into 140's....have heard some mil ac a tad below 136....interesting band to monitor from time to time.
Jacob , civilian aircraft is 108.000 to 136.000 mhz. AM if you weren't aware....
73,
n9zas
nd5y
Member
The aircraft band in the US was expanded up to 137 MHz several years ago.
Aviation [Part 87]
136-137 MHz: Space operations (space-to-Earth), meteorological-satellite service (space-to-Earth), and the space research service (space-to-Earth). Stations licensed prior to January 2, 1990 may continue to use this band on a secondary basis to aeronautical mobile service.
137 - 138 MHz Space operation (space-to-Earth)
NOAA Meterological satellite (space-to-Earth)
Space research (space-to-Earth)
Mobile-satellite (space-to-Earth) 137.025-137.175 MHz, 137.333-137.4125 MHz, 137.475-137.525 MHz, 137.595-137.645 MHz, 137.753- 137.787 MHz and 137.825-138 MHz [Part 25 Subpart C and 2.106 Footnotes 599A, 599B, US 318, US 319, US 320]
Radio Spectrum - 30 MHz to 144 MHz
136-137 MHz: Space operations (space-to-Earth), meteorological-satellite service (space-to-Earth), and the space research service (space-to-Earth). Stations licensed prior to January 2, 1990 may continue to use this band on a secondary basis to aeronautical mobile service.
137 - 138 MHz Space operation (space-to-Earth)
NOAA Meterological satellite (space-to-Earth)
Space research (space-to-Earth)
Mobile-satellite (space-to-Earth) 137.025-137.175 MHz, 137.333-137.4125 MHz, 137.475-137.525 MHz, 137.595-137.645 MHz, 137.753- 137.787 MHz and 137.825-138 MHz [Part 25 Subpart C and 2.106 Footnotes 599A, 599B, US 318, US 319, US 320]
Radio Spectrum - 30 MHz to 144 MHz
nd5y
Member
If you're going to quote rules you should at least post links to current rules and documents on government web sites.
Electronic Code of Federal Regulations:
Electronic Code of Federal Regulations:
Electronic Code of Federal Regulations:
Electronic Code of Federal Regulations:
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roadranger
Member
Dusting off the cob-webs...
There are wireless microphones that are FM txers up in the 171mhz area, maybe higher. Big cities w/ news rooms and remotes (the news van) has wireless mics in the 400mhz range. I heard someone practicing in ATL (from Lithia Springs, GA). That mic was at 450.0725, I think. Shoulda wrote that one down. May have been NBC 11, or AccuWeather.com.
There are wireless microphones that are FM txers up in the 171mhz area, maybe higher. Big cities w/ news rooms and remotes (the news van) has wireless mics in the 400mhz range. I heard someone practicing in ATL (from Lithia Springs, GA). That mic was at 450.0725, I think. Shoulda wrote that one down. May have been NBC 11, or AccuWeather.com.
This is one of the most complete lists of wireless mic data I've seen,
enjoy!
Freq Of Nature Wireless Microphones
73,
n9zas
ecps92
Member
450/455 would be an IFB not usually a wireless Mic.
And we are way way off-topic as to what the OP originally asked
And we are way way off-topic as to what the OP originally asked
Not really, The original OP asked about aircraft freq range so that's what I gave him,and someone posted something about quoting rules(and don't know where that came from) then someone ELSE asked about wireless mic so that's what I gave him SO....how am I off topic?? :evil:
Btw bill, I don't see a administrator tag for you?
n9zas
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ecps92
Member
And you NEVER will :evil:
There are plenty of admins on here, and many times the threads police themselves
There are plenty of admins on here, and many times the threads police themselves
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Okay, guys - let's settle down and stay on topic here. Further off-topic discussion will result in moderation activities...
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