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I thought you should know that the FCC has just licensed a digital TV station with an ancillary service in the form of an analog FM radio station. This new service can create thousands of powerful FM radio stations, which can be leased to current AM radio stations now struggling with broadcast difficulties.
Recent studies have shown that the 0.62 MHz now unused by DTV stations can be efficiently employed for other services, with no interference to or from either the DTV reception or, for example, FM radio reception. No new spectrum, or change in current spectrum use, is required. FM receivers, which can receive all VHF and UHF TV stationsâ analog audio, were readily available since the 1980s from many manufacturers, and could easily be again.
The first DTV station licensed to broadcast this added analog FM is W26DC-D in New York. No interference of any kind has been observed. It uses the upper 200 kHz of the digital channel for monaural analog FM, and is well received by the older FM radios mentioned above. (Stereo FM analog, and digital radio, could also be broadcast.)
The FCC had previously shown concern that this added ancillary service might adversely affect new cochannels, but this has been disproved for the specific conditions employed.
This extended use of DTV spectrum could solve the problems of current AM radio stations by allowing them all to migrate to this new FM band, with no need to disturb any existing service. All that is needed is an FM transmitter output injected into the antenna line of a full- or low-power digital television station.
I hope advantage can be taken by the radio and television industry of this novel spectrum use.
Richard D. Bogner
Retired, Former President and Owner
Island Broadcasting Co.
ENFORCE THE RULES
As a major player in the world of AM radio and as one who is vested deeply, I am continually amazed at people who are not invested trying to tell us how to live.
AM radio in itself needs no improvement!! It works just fine. The problem is simple: The FCC has dropped the ball and fails to recognize the problem is the environment surrounding it. It is man-made interference that has caused the problem, and if the commission had enforced the incidental radiation rules, we would not be compromised as we are today.
All these hearings and meetings always attack the AM spectrum itself. It is just plain wrong! Enforce the rules and make sure radio manufacturers build good radios.
I listen to AM with my Icom Ham Radio with its digital noise blanker and love every moment of it.
Tom Kingâs article (âKing Lays Out âCritical Stepsââ) in the Sept. 24 Radio World was right on â except for C-Quam, which was a disaster.
Just because the inventor of the best stereo for AM was a eccentric old man and didnât have a ton of money to spread around in the propaganda war The Commission selected C Quam. They said it was in the public interest… The Washington bureaucrats wouldnât know public interest if it hit them in the backside. Face it â AM broadcasters, we have been screwed by the government. Maybe if some of these high-test consultants would get their heads out of their backsides we could salvage AM.
God bless you, Mr. King, but the Kahn system rules.
Ed De La Hunt
De La Hunt Broadcasting
LATE TO THE PARTY
The problem with NextRadio and iHeartRadio (âColeman Says Demand âStrongâ for NextRadio,â radioworld.com, Aug. 1) is that they are a few years too late to the party.
All of the college kids I know (and I work for a college radio station) use the free app from TuneIn Radio.Â Â Â Â If youâre not on represented on TuneIn, youâre not really streaming anyway.
Students donât like to have a separate app for every station they listen to. That just causes clutter on their device â¦ and TuneIn even has some AM stations represented.