Digital TV
Pay-TV Market Shakeup Or Shakedown?
Will 2015 mark the death of the pay-TV bundle? Probably not, but events of the past few weeks have suggested that it may be on life support.
Cord-Cutter Gear: Three Antennas and a Pre-amp
Programmatic Ad Technology Proliferates
What Tom Said: About Richard Friedel
Closing FCC Field Offices Could Lead to ‘RF Anarchy’
NAB 2015: Notes From the Floor on Three-Sensor 4K Cameras
McAdams On: The Ongoing Transition
What to Expect at 2015 NAB
McAdams On: TV Stations With No Signal
Gearing Up for the 2015 NAB Show
What Tom Said: Hollywood Stays In Control (For Now)
Remembering the Early Days of L.A. Television
Crappin’ Out on the Lossy Drag
Amazon’s Agenda Fits Streaming Expectations From Researchers
500 MHz
What Tom Said: The Push for Drones
 
Feb 17, 2015 / 06:00 AM
Eleven FCC Scenarios for The 600 MHz Band Plan
In its recent Report and Order, the FCC revealed 11 scenarios under consideration for a 600 MHz Band Plan following the spectrum auctions.
Jan 13, 2015 / 01:00 PM
FCC Reveals 600 MHz Band Plan
Previous versions by the FCC had a guard band between the lower end of the 700 MHz band and the data in the 600 MHz band.
Nov 07, 2014 / 03:00 PM
The FCC’s DTV Interference Dilemma
By now almost everyone knows the NAB has filed a lawsuit against the FCC over its spectrum auctions TV channel repack.
Oct 13, 2014 / 01:33 AM
Turned Off TV Sets Can Jam Signals
My colleague Linley Gumm and I accidentally discovered when we turned our RF test bed on for a second day of testing of inter-band interference, all seven of our DTV receivers failed to come on. Some had much greater jamming than in our tests two days earlier.
Aug 08, 2014 / 02:43 AM
How Will IBI Affect DTV Reception After Repacking?
Last month, we discussed third-order intermodulation products seldom covered in the technical literature: 2Fa + Fb, and 2Fb + Fa. We started with spectrum plots for two unmodulated carriers at the center of Ch. 9 (189 MHz) and Ch. 11 (201 MHz).
Jun 23, 2014 / 04:37 PM
Inter-Band RFI: Should Stations Worry?
All third-order intermodulation products, (IM3 and Triple Beats), occupy three contiguous channels, so there can be interference to reception on Chs. 30, 31, 32, 33, 34, and 35.
Apr 14, 2014 / 05:55 AM
Some Hope for Interference Issues
The most amazing finding from the FCC tests of converter boxes is the number of such toxic channel pairs there are.
Mar 12, 2014 / 04:00 AM
Detecting Unique DTV Reception Problems
His trouble started suddenly one evening when he discovered interference across the high VHF band that he had never had before.
Feb 01, 2014 / 06:34 PM
Moving Into an Interference-Limited Environment in 2015
This column has used the term “D/U ratio” (desired/ undesired) in describing how the FCC might repack the UHF TV spectrum.
Jan 13, 2014 / 02:09 PM
The Effects of ACI on UHF Channel Allotments
Last month, this column introduced a scheme for allocating UHF band channels by analyzing a set of contiguous channels for a given community.
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