hd radio

Engineer's Corner
11:13 pm
Sat November 15, 2014

TheEC: Better HD Radio for 102.7FM

Spectrum analyzer of WRNI-FM's signal, with adjustments in progress.
Credit Aaron Read RIPR

Friday night and mid-day Saturday (Nov.14 & 15) ended up being a bit of a saga for what was supposed to be a routine upgrade for our 102.7FM signal in South County.   So first off, an apology to our RIPR listeners on 102.7FM, and to MVYradio's listeners to the 96.5FM signal in Newport.  There were several dropouts, periods when RIPR was on backup transmitter (and thus 96.5 was off entirely), or when both transmitters were down.

Exactly what happened could be described as an avalanche of minutiae, but I'll lay it out as best I can.

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Engineer's Corner
9:23 am
Wed August 14, 2013

TheEC: Air Conditioning at 102.7FM

The indoor half of the new split-unit A/C.
Credit Aaron Read

Air conditioning.  Cool heaven for those who have it, blazing hell for those who don't.  It didn't used to be terribly common in broadcast engineering, but it's become moreso in the last ten years.  The reason is that, more and more, audio processors, RDS encoders, audio encoders/decoders, studio/transmitter links, remote control systems, and even the transmitters themselves, have all become increasingly "computer-like" with IC's, hard disk drives, power supplies, electrolytic capacitors and the like.   All things that fail quickly when operated in temperatures above 80 or so, and the warmer it gets, the faster they fail!

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