Posted on February 24, 2008 by David Oxenford

The Trouble With LPTV - No Plan for DTV Transition

In recent weeks, Low Power Television stations have been the center of attention in Washington in connection with the Digital television transition.  While all full-power television stations are set to convert to digital operations less than a year from now, ceasing analog operations at the end of the day on February 17, 2009, there is no specific deadline for LPTV stations to convert to digital.  As the NTIA rolls out its coupon program for the purchase of converter boxes that will take digital signals of over-the-air television stations and convert them to analog for those who do not have digital television receivers (see our summary here), LPTV advocates noted that many converters do not pass through analog signals.  Thus, once a television is hooked up to a converter box, that television will not be able to pick up stations broadcasting in analog - so many unconverted LPTV stations after the conversion date will be denied access to television receivers.

Suggestions have been made that the converter boxes be reconfigured to pass through analog - unlikely as many of the boxes have already been manufactured and are on their way to stores (note that some converters do pass through analog signals, but a consumer needs to look for those boxes).  LPTV advocates have also asked for some form of cable must-carry during the transition process - a proposal sure to be opposed by cable system operators. 

The deadline for LPTV conversion is also in question.  A number of proposals have been made to allow these stations to keep operating in analog through 2012, as Federal funds to assist them in the digital conversion may be available, but not until 2010.  Of course, by then most viewers will have been watching digital television for years, so many LPTV stations may have made the conversion voluntarily well before that date to stay in tune with the viewers.

The final issue that we'll be seeing more of is the classification of more LPTV stations as Class A TV stations.  LPTV stations are generally secondary stations, which can be knocked off the air when a new full-power station starts broadcasting or when one improves its facilities in such a way so as to create interference to the LPTV.  A Class A station is not secondary, but instead must be protected by new stations or the increases in power of full-power stations.  Class A stations were created in a one-time window years ago, by demonstrating that they originated local programming and otherwise observed all of the rules followed by full-power television stations.  The Commission has discussed the possibility of allowing more stations to qualify as Class A stations, which will become more important as the freeze on modifications to full-power stations and on requests for the allotment of new full-power TV channels expires later this year once the final details of the digital transition have been set. 

Watch for all of these issues to be addressed in the near future, as the final digital transition details are set.

 
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Posted on November 30, 2007 by David Oxenford

Who Needs LPFM? - Why Not Just Expand the FM Dial?

At last Tuesday's FCC meeting, the Commission adopted a controversial order, over the objection of two Commissioners, that could limit the processing of some applications for improvements by some full power FM stations, and would restrict translator applications, all in the name of encouraging Low Power FM (LPFM) stations to provide outlets for expression by groups that cannot get access to full-power radio stations (see our summary of that action here).  In recent weeks, two ideas have received some publicity providing an alternative outlet for these prospective local broadcasters - and both provide a simple solution (one more immediate and ad hoc than that other), but both leading to the same result - why not just extend the FM band by using TV channel 6?

The current FM band begins at 88.1 MHz, a channel that is actually immediately adjacent to TV Channel 6.  The FCC has for years restricted operations of noncommercial FM stations (which operate from 88.1 to 91.9 on the FM dial) in areas where there are Channel 6 TV stations in order to prevent the radio stations from creating interference to the reception of the TV stations.  That's while you will often find fewer noncommercial stations, or ones with weaker coverage, in communities that have TV Channel 6 licensees.  TV stations use an FM transmission system for their audio.  Thus, you will also find that most FM receivers (especially ones without digital tuners) will pick up the audio from TV channel 6 if tuned all the way to the left of the dial.  The short-term solution to expanding the FM band came from one broadcaster who noted that fact.

In recent weeks, a new FM station has surfaced in New York City - one which is not really an FM station at all, but instead a TV channel 6 operation being programmed like a radio station to emphasize the audio that can be picked up on FM radio dials.  Any FM station in New York would have easily cost many tens of millions of dollars to buy - so instead a new radio outlet was created by taking this low power television station, previously targeted to a narrow ethnic audience, to reach a much broader radio audience in the City.  A unique solution to the search for a spot on the crowded radio dial - and one that will not disappear in 2009 at the end of the digital conversion, as LPTV stations currently have no mandatory digital transition deadline. 

As a longer term solution, why not just take all of channel 6 and use it for FM operations?  That proposal was one that was advanced by consulting engineer Jack Mullaney in Comments recently filed in the digital television proceeding.  In his comments, Mullaney advocates the use of channel 6 (which has not been used by the FCC for digital operations of television stations to avoid interference to noncommercial FM stations, except in a few isolated cases where no alternative digital channel was available, ) for FM operations after the digital television transition has been complete.  As set out in Mullaney's comments, this could increase the FM band by 30 channels (there currently are 100 FM channels), which could create enough spectrum to allow for channels set aside for specific uses like LPFM, without having to worry about interference to full power stations.  Or channels could be set aside just for FM translators.  A section of the band could even be reserved for "pirate" radio - allowing anyone to start a radio station without an FCC license, provided that they stay on-channel and observe specific power limitations.

These innovative solutions to the current perceived scarcity of FM channels would be more advantageous than the Commission's current attempt to repeal the laws of physics by cramming LPFM stations into the existing band without displacing or otherwise interfering with other authorized users - a seemingly impossible proposition.  The proposal has been made - how will the FCC react to Mr. Mullaney's suggestion?
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