Who is running −10dBc?

[catfish]

KDKB in Phoenix AZ is running 25,500 watts of analog and 2,300 watts of HD (minus 10db) with a Nautel NV40 with the exciter powerboost upgrade. This is into an 8 bay ERI optimized antenna on South Mountain in Phoenix.

 

[gosmith123]

Is there anywhere to find a list of stations running IBOC at −10dBc?

The last I read there were only around 10. Only about 150 stations expressed interest in -14db. Of course, the HD cheerleaders claim that once the asymmetrical side-bands are approved, that many stations will squander another $100,000+ for new transmitters and antennas. The NAB put a rush request on the FCC to approve the sidebands at least a month ago, but has anyone heard about FCC approval?

 

[briankay]

WIQI-FM Chicago (formerly Q101) an all news format has been running -10dBc (aka 10% digital) since last year. I very rarely hear a HD dropout 40 miles out from TX (. Their news competitor 105.9 which simulcasts WBBM AM increased their HD power to 4% a few weeks ago. Other stations in Chicago that have increased their power to 4% are 96.3, 97.9, 99.5*, 106.3. *I don't see an FCC filing for 99.5 WUSN increasing HD power, but HD reception increased dramatically after they launched their Classic country format on 99.5 about a year or so ago.

 

[bossbill]

tertiary

 

[badjef]

tertiary

Thank you,I couldn't remember how to spell it.

Jeff in Sa-ra-so-ta!

 

[BobOnTheJob]

Actually, what I was trying to say is that WBCT isn't allowed to increase to -10dBc due to its grandfathered status, but it is allowed to run its IBOC at -20dBc referenced to its grandfathered facilities. -20dBc referenced to 320kW/238m is the same as -8dBc referenced to 50kW/150m. WBCT's facilities exceed maximum Class B facilities by 12 dB. A non-grandfathered Class B with 238m HAAT would need to reduce power to 20kW; WBCT runs 320kW.

Be thankful they relinquished the 470KW they had 40+ years ago.

 

[Savage]

BOTJ, I also started in radio in 1967 - as it happened, on my 17th birthday (April 16th.) And indeed, all the equipment was tube-type (Gates SA-40 console, BC-1J 1kw transmitter, CB-77 turntables, etc.) with music on records and live DJs. And radio WAS fun.

But the best part: everybody listened. There was no such thing as an advertiser "who didn't get results." Now that's a not-infrequent complaint about #1-rated stations.

 

[BobOnTheJob]

BOTJ, I also started in radio in 1967 - as it happened, on my 17th birthday (April 16th.) And indeed, all the equipment was tube-type (Gates SA-40 console, BC-1J 1kw transmitter, CB-77 turntables, etc.) with music on records and live DJs. And radio WAS fun.

But the best part: everybody listened. There was no such thing as an advertiser "who didn't get results." Now that's a not-infrequent complaint about #1-rated stations.

Well stated Savage. Radio was cool--and the sound from the air monitor was far superior to that of AM HD--and it took less spectrum to do it. Technical matters aside, there was a connection between the listener and the guy (or gal) in the air chair. That connection simply can't exist when the satellite is flipped on and the last person leaves the building at 5. Radio had the proverbial tiger by the tail and voluntarily let go of it simply because it was temporarily more profitable to do so. Why would a listener do something just because a hard drive told them to? At least my iPod listens when I ask it to play something.