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Puerto Rico FM stations

E

e-dawg

Since Puerto Rico is in Zone I-A should the FM stations in Puerto Rico be no more than 50kw/150 M terrain? I notice most of the FM Class B stations are beyond 150M limit. Are all San Juan radio stations consider to be grandfather stations?
 
e-dawg said:
Since Puerto Rico is in Zone I-A should the FM stations in Puerto Rico be no more than 50kw/150 M terrain? I notice most of the FM Class B stations are beyond 150M limit. Are all San Juan radio stations consider to be grandfather stations?
Click to expand...

See 73.211(b)(1) (which excepts Puerto Rico and the USVI from the 150m HAAT limit) and 73.211(b)(3) which establishes greater HAAT limits there. (240m for Class A, 150m for Class B1, 472m for Class B) (yes, the reference HAAT in PR for Class B1 is smaller than that for Class A.)

A quick scan of the FCC DB suggests WIPR-FM 91.3 is the only grandfathered station in Puerto Rico, at 105kw/825m. Though I haven't done the math on the other >472m stations.

It is curious why they placed PR in Zone I & then gave them a HAAT exemption, rather than placing it in Zone II. I might guess it was done to allow the closer adjacent (and 2nd and 3rd-adjacent) channel spacing, given the concentration of population and stations. (and acknowledging that due to terrain, such shorter-spacing was unlikely to cause interference)
 
While I still lived in Puerto Rico WIPR-FM Allegro 91.3 was one of my favorite stations. ;D

Because of it's ERP and tall ttransmitter (sharing Cerro La Santa's summit with WKAQ-TV, WAPA-TV, WIPR-TV, WPRM-FM and others) it reached very well into my hometown of Ponce. 8)

However, I've never heard it in Mayagüez. ???
 
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