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The FCC has just created a new NO
LICENCE Citizens Band radio service called M.U.R.S. It has a
two-watt maximum, but can be used for any purpose, including data,
voice and can use an external antenna or base, opposed to the FRS,
where you can not..
The frequencies are:
CH-1 151.820 Mhz
CH-2 151.880 Mhz
CH-3 151.940 Mhz
CH-4 154.570 Mhz
CH-5 154.600 Mhz |
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From Ted Moran:
There seems to be a common
perception that the MURS frequencies (because they don't require a
license to operate on) is some type of radio free for all. This isn't
the case, this is a fairly restricted service, albeit one with many
operating possibilites. I don't want to sound like a fun spoiler, but
I don't want to see anybody end up having their hobby get them in
trouble, either.
Max power: 2 watts
Equipment: Must be type accepted
Interconnect: Public switched
network interconnect not allowed
Antenna: Max height 60 feet.
Frequencies and allowable bandwidths:
151.820
MHz 11.25 KHz
151.880
MHz 11.25 KHz
151.940
MHz 11.25 KHz
154.570
MHz 20.0 KHz
154.600
MHz 20.0 KHz
Emissions
A MURS transmitter must transmit
only emission types A1D, A2B, A2D, A3E, F2B, F1D, F2D, F3E, G3E.
Emission types A3E, F3E and G3E include selective calling or tone-operated
squelch tones to establish or continue voice communications. MURS
transmitters are prohibited from transmitting in the continuous
carrier mode. The authorized bandwidth for any emission type
transmitted by a MURS transmitter is specified as follows:
* ALL A3E emissions are limited to
8 kHz.
* Emissions other than A3E on
frequencies 151.820 MHz, 151.880 MHz, and 151.940 MHz are limited to
11.25 kHz.
* Emissions other than A3E on
frequencies 154.570 and 154.600 MHz are limited to 20.0 kHz.
* MURS transmitters shall be
designed to comply with the emission masks described in 47 CFR 95.635.
Equipment
Each Multi-Use Radio Service
transmitter (a transmitter that operates or is intended to operate in
the MURS) must be certificated in accordance with Part 95, Subpart J
of the Commission's rules. Those radio units certificated as of
November 12, 2002 need not be recertificated. No MURS unit, under any
condition of modulation, shall
exceed 2 Watts transmitter power output.
Other restriction also apply, check
the FCC rules and regs.
Obviously, having an MURS station
or radio doesn't give you the right to operate on non-authorized frequencies.
Happy Scanning! - Ted |