Search found 3111 matches

by Deep Thought
Fri May 26, 2017 11:16 pm
Forum: Ask the Engineers
Topic: Offical AMC 8 Transition Thread (was Sat. AMC-8)
Replies: 111
Views: 4610

Re: Offical AMC 8 Transition Thread (was Sat. AMC-8)

Reading this I am so glad the last satellite receiver I put together was in 1983. :mrgreen:

Put it together, point it generally in the direction of the bird, turn on the SCPC receiver and listen for anything besides noise. 8)
by Deep Thought
Fri May 26, 2017 11:12 pm
Forum: AM Radio
Topic: Contactors!
Replies: 30
Views: 1424

Re: Contactors!

Ah yes, Ironwood. Always liked driving on the two feet of packed snow topped with cinders.
by Deep Thought
Wed May 17, 2017 11:09 am
Forum: FCC Discussion
Topic: FCC ULS issues
Replies: 6
Views: 158

Re: FCC ULS issues

I've hated that thing since its debut as the ASRN system twenty years ago...on dialup.

good luck.
by Deep Thought
Tue May 16, 2017 12:41 pm
Forum: AM Radio
Topic: Mutually Exclusiove Applications for AM Translators
Replies: 3
Views: 153

Re: Mutually Exclusiove Applications for AM Translators

The FCC has no administrative authority to resolve translator MX groups (it's called an auction window but in reality there is no auction authorized for it) so they strongly recommend that you figure out a resolution. Otherwise you'll sit there forever, unprocessed. Some of the MX'd applicants got a...
by Deep Thought
Mon May 15, 2017 9:08 pm
Forum: AM Radio
Topic: Daytime Impedance high?
Replies: 4
Views: 259

Re: Daytime Impedance high?

Hi Mark. This is not an uncommon problem on high impedance towers. What is the measured ND reactance? That's what is really in play here. The capacitor across the isolation coil is (usually) to parallel resonate it at the carrier frequency. Depending on the tower reactance and the coil reactance, ha...
by Deep Thought
Fri May 05, 2017 9:02 am
Forum: FM Radio
Topic: Dayton AF225 FM Receiver/Monitor
Replies: 4
Views: 758

Re: Dayton AF225 FM Receiver/Monitor

The big chip is for the frequency synthesizer (tuning) and is probably the same one they used on the 210. I've attached the manual for that model which has a tuning chart. Maybe that will be of some assistance. Dayton is out of business so if you should happen to find the correct manual it would be ...
by Deep Thought
Wed May 03, 2017 9:44 am
Forum: Radio Studio Engineering
Topic: XLR Mic switch or what ?
Replies: 6
Views: 163

Re: XLR Mic switch or what ?

In the latter case a mic split transformer would be my recommended solution. Back in the bad old days this was standard operating practice...a 1:2 150-ohm splitter transformer which kept the two consoles isolated and didn't load the mic beyond its spec. It'll depend on what you are using as mics th...
by Deep Thought
Wed May 03, 2017 9:39 am
Forum: FM Radio
Topic: BW Broadcast transmitter
Replies: 10
Views: 501

Re: BW Broadcast transmitter

I have a client with a TX600 "V2" unit which has started losing AES decoding on an annoyingly frequent basis. It just transmits digital hash on the air. Power cycling does no good, but (usually) rebooting it from the remote user interface clears the issue. Sounds like you can't even get that far. I'...
by Deep Thought
Wed Apr 26, 2017 9:51 am
Forum: Pics/Video/Audio
Topic: Broadcasting Yearbook, 1935-2010
Replies: 2
Views: 197

Broadcasting Yearbook, 1935-2010

Link stolen from a Facebook group. Sorry in advance for the hours this is going to waste. :lol:

http://www.americanradiohistory.com/Bro ... s_Page.htm
by Deep Thought
Tue Apr 25, 2017 8:36 am
Forum: FM Radio
Topic: New Sound Board
Replies: 8
Views: 312

Re: New Sound Board

Adding to the excellent advice already given...how "live" is your live station? There is a huge difference in use and abuse with a station running truly live 24/7 with one which runs live a couple hours per day. In that regard, you truly get what you pay for as the more pricey boards are the product...
by Deep Thought
Tue Apr 25, 2017 8:27 am
Forum: FM Radio
Topic: Vertical or Circular polarization FM Broadcast
Replies: 7
Views: 230

Re: Vertical or Circular polarization FM Broadcast

I recently helped a 250 watt translator diagnose and fix a problem they were having. The station had installed a vertical-polarized log periodic antenna for transmit and was suffering from close-in co-channel interference on some car radios from a class-A station located more than 40 miles away. Lon...
by Deep Thought
Tue Apr 11, 2017 6:35 pm
Forum: FM Radio
Topic: RBDS Phase
Replies: 4
Views: 244

Re: RBDS Phase

The only external ones I've dealt with wanted a pilot sample to work from, and generated it from that. They loop through after the stereo generator, no adjustment necessary.
by Deep Thought
Tue Apr 11, 2017 7:58 am
Forum: AM Radio
Topic: MW10B-A little help?
Replies: 16
Views: 864

Re: MW10B-A little help?

I know this isn't really on topic, but maybe it will help you or someone else later... A client replaced a MW-10 with a Nautel XR-12 awhile ago thinking that it would pay for itself in about 5-6 years with savings on the electric bill. Between the electrical savings, the elimination of tube replacem...
by Deep Thought
Mon Apr 03, 2017 4:31 pm
Forum: FM Radio
Topic: ERI .78 spacing
Replies: 9
Views: 408

Re: ERI .78 spacing

Without knowing the whys of people's opinions it is almost impossible to even comment here. What are the applications? Why did they decide to use a 1/2-wave spaced antenna (or a full wave spaced, or a 0.78 wave spaced)? Like everything else inter-bay spacing is a design parameter which is influenced...
by Deep Thought
Mon Apr 03, 2017 9:19 am
Forum: Everything else
Topic: Cumulus buys Gates Air Transmitters
Replies: 9
Views: 517

Re: Cumulus buys Gates Air Transmitters

Think of it as electrons and 'holes'. Both are necessary for current flow. :)

The problem occurs when there are too many holes and not enough electrons to fill them.