101.5 KGB/KOCI interference

[circlekkid]

I have enjoyed listened to 101.5 KGB since 1975 in Orange County without interference. Now, thanks to the FCC granting an LPFM license to KOCI in Newport Beach, I have constant interference. What were these people thinking putting an LPFM on the same frequency as a 50,000 watt blow-torch from San Diego? Driving around south O.C. both stations cancel each other out. KOCI needs to move to a less inhabited frequency! :'(

 

[davideduardo]

I have enjoyed listened to 101.5 KGB since 1975 in Orange County without interference. Now, thanks to the FCC granting an LPFM license to KOCI in Newport Beach, I have constant interference. What were these people thinking putting an LPFM on the same frequency as a 50,000 watt blow-torch from San Diego? Driving around south O.C. both stations cancel each other out. KOCI needs to move to a less inhabited frequency! :'(

While you may get KGB, you are outside its protected contour and the FCC can and will put stations on the same channel as long as the protected contours do not overlap.

50 kw ERP is not a blow torch... nearly every full Class B in CA is 50 kw at 500 feet or its equivalent.

 

[circlekkid]

Compared to stations like KDLE 103.1- a mere pittance at .3 KW, I consider 50k a BLOW-TORCH when I can hear the station from San Diego all the way into Monterey County! The FCC may have the right to issue a license to an LPFM in O.C. but this still does not make it right. Radio waves have no terrestrial boundaries- skip,weather,sunspots,etc. can influence how far a signal travels. The point I was trying to make is that the FCC should know better than this. Some L.A. stations are also listened to in San Diego-KFI,KNX,KFWB,KLOS. ;D

 

[davideduardo]

Compared to stations like KDLE 103.1- a mere pittance at .3 KW, I consider 50k a BLOW-TORCH when I can hear the station from San Diego all the way into Monterey County! The FCC may have the right to issue a license to an LPFM in O.C. but this still does not make it right. Radio waves have no terrestrial boundaries- skip,weather,sunspots,etc. can influence how far a signal travels. The point I was trying to make is that the FCC should know better than this. Some L.A. stations are also listened to in San Diego-KFI,KNX,KFWB,KLOS. ;D

KDLE with 300 watts at 965 feet HAAT is the equivalent of a conforming Class A. And 640 and 1070 are not going to be duplicated in SD because the contours are protected, at night, to 600 miles on KFI and to a similar extreme on what was formerly a 1-B clear for KNX. KLOS could have a SD county LPFM put co-channel if it other wise fits.

 

[LA_Guy]

Class B FM stations (50 kW ERP @ 150 meters HAAT or equalivent) are protected to their .5 mV/m contour, which goes out about 40 miles.

PERIOD!

The fact that you can get them further out means NOTHING!

 

[radioguybroadcasting]

Class B FM stations (50 kW ERP @ 150 meters HAAT or equalivent) are protected to their .5 mV/m contour, which goes out about 40 miles.

PERIOD!

The fact that you can get them further out means NOTHING!

FM stations are protected to their 60dbu contour.

 

[radiofreqk1]

You both are wrong. All class "A" or "C" FM stations are protected to the 60 dBu contour. Class "B-1" stations are Protected to their 57 dBu and Class "B" stations are protected to their 54 dBu contour. And the whole "blow torch" thing is meaningless. Most "class B FM stations, in Southern California are "grandfathered" as class B stations -- but use an ERP and HAAT equal to some sort of Class C station. If you want to listen to San Diego --- get a directional antenna.

 

[davideduardo]

You both are wrong. All class "A" or "C" FM stations are protected to the 60 dBu contour. Class "B-1" stations are Protected to their 57 dBu and Class "B" stations are protected to their 54 dBu contour. And the whole "blow torch" thing is meaningless. Most "class B FM stations, in Southern California are "grandfathered" as class B stations -- but use an ERP and HAAT equal to some sort of Class C station. If you want to listen to San Diego --- get a directional antenna.

Still not right. Those B's that are grandfathered were licenced before the FCC created classes. Most date to some time in the 50's, a decade when 40% of licensed FMs had their licences turned in, and those that survived had grandfather power and height when the classes were established. They are stilll only protected to te conforming B contour you mention.

 

[hipman2]

Or easier yet, move to San Diego.

You both are wrong. All class "A" or "C" FM stations are protected to the 60 dBu contour. Class "B-1" stations are Protected to their 57 dBu and Class "B" stations are protected to their 54 dBu contour. And the whole "blow torch" thing is meaningless. Most "class B FM stations, in Southern California are "grandfathered" as class B stations -- but use an ERP and HAAT equal to some sort of Class C station. If you want to listen to San Diego --- get a directional antenna.

 

[vonrollskyway1]

Compared to stations like KDLE 103.1- a mere pittance at .3 KW, I consider 50k a BLOW-TORCH when I can hear the station from San Diego all the way into Monterey County! The FCC may have the right to issue a license to an LPFM in O.C. but this still does not make it right. Radio waves have no terrestrial boundaries- skip,weather,sunspots,etc. can influence how far a signal travels. The point I was trying to make is that the FCC should know better than this. Some L.A. stations are also listened to in San Diego-KFI,KNX,KFWB,KLOS. ;D

i live down here in san diego.there is one station that takes out another down here.105.7 the walrus gets taken out by Power 106.does Power run 72,000 watts like they said back in the days?also 101 kgb fm is one powerfull station.i took a trip up to bass lake in 1993,and heard the kgb all the way up there.

 

[Greg Strickland]

I decided to remove my post.

 

[LA_Guy]

You both are wrong. All class "A" or "C" FM stations are protected to the 60 dBu contour. Class "B-1" stations are Protected to their 57 dBu and Class "B" stations are protected to their 54 dBu contour. And the whole "blow torch" thing is meaningless. Most "class B FM stations, in Southern California are "grandfathered" as class B stations -- but use an ERP and HAAT equal to some sort of Class C station. If you want to listen to San Diego --- get a directional antenna.

The 54 dbu comtour IS the .5 mv/m contour!