[amsat-bb] Re: power restriction in New Mexico on 435 MHz

Les Alverson kd4sfd at bellsouth.net
Tue Feb 26 21:00:29 PST 2008

Forgive my obtuseness, but why is the state of Arizona have the limitation.
The others made sense, and I know that it is not the a primary reason 
for the government to be clear on the reason.

(Also being back in school has lowered my normal level of common sense.)

73's Les

Lee McLamb wrote:
> 97.313
> (f) No station may transmit with a transmitter power exceeding 50 W 
> PEP on the UHF 70 cm band from an area specified in footnote US7 to 
> Sec. 2.106 of part 2, unless expressly authorized by the FCC after 
> mutual agreement, on a case-by-case basis, between the District Director 
> of the applicable field facility and the military area frequency 
> coordinator at the applicable military base. An Earth station or 
> telecommand station, however, may transmit on the 435-438 MHz segment 
> with a maximum of 611 W effective radiated power (1 kW equivalent 
> isotropically radiated power) without the authorization otherwise 
> required. The transmitting antenna elevation angle between the lower 
> half-power (-3 dB relative to the peak or antenna bore sight) point and 
> the horizon must always be greater than 10 degrees.
> 2.106 Footnote US7
> (a) Those portions of Texas and New Mexico bounded on the south by latitude 
> 31°45' North, on the east by 104°00' West, on the north by latitude 34°30' 
> North, and on the west by longitude 107°30' West;
> The FCC has a nice map of the areas affected by the 50w limit at
> http://www.fcc.gov/oet/info/maps/us7/
> 73,
> Lee-KU4OS

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