Search found 134 matches

by RodeoJack
Sun Jan 14, 2018 10:09 pm
Forum: FCC Discussion
Topic: Revitalized AM Translators
Replies: 16
Views: 234

Revitalized AM Translators

Those of you who haven't yet built an "AM on FM" translator that was acquired under the "AM Revitalization Act" might find the following interesting. Having repurposed a few of these, pre-revitalization, I've run into some creative ideas from broadcast owners, revolving around what they can play, wh...
by RodeoJack
Thu Jan 04, 2018 3:21 pm
Forum: AM Radio
Topic: BE AM-1A Power Supply
Replies: 6
Views: 273

Re: BE AM-1A Power Supply

That power off / power on solution was a common, but temporary fix for that power supply. BE went to a different model with the same pinouts, but you only found out about it when yours failed. Don't have my spare handy, but I did confirm it was an off-the-shelf model. Power One, iirc. About half the...
by RodeoJack
Sat Dec 23, 2017 10:49 pm
Forum: Radio Studio Engineering
Topic: Broadcast Electronics Console Model 5S150 Issues
Replies: 21
Views: 643

Re: Broadcast Electronics Console Model 5S150 Issues

Since we’re waxing historical.... ,,,I said the Collins had better specs than the McMartin so we were perfectly happy to leave the Collins in place! If you're talking about the board with the near-vertical face, huge pot knobs and a 200+ volt power supply.... yeahhh... that wasn't one of McMartin's...
by RodeoJack
Wed Dec 20, 2017 9:58 pm
Forum: Radio Studio Engineering
Topic: Broadcast Electronics Console Model 5S150 Issues
Replies: 21
Views: 643

Re: Broadcast Electronics Console Model 5S150 Issues

kkiddkkidd wrote:
Wed Dec 20, 2017 8:25 pm
By the time that I was getting started in my widespread contract engineering career, a lot of stations had already fallen for the cheap allure of concert type sound boards...
Yah... that's always a letdown.
by RodeoJack
Wed Dec 20, 2017 7:40 pm
Forum: Radio Studio Engineering
Topic: Broadcast Electronics Console Model 5S150 Issues
Replies: 21
Views: 643

Re: back in the '80s had a 5S150

Were the filaments heated by coal oil? Back in the early '70s, I worked with / on two of those. They were great consoles... super headroom, tough, quiet, reliable and almost heavy enough to require reinforcement in the floor. The tubes weren't heated by coal oil, but were intentionally run a bit be...
by RodeoJack
Sun Dec 17, 2017 10:25 am
Forum: FM Radio
Topic: RF Spectrum Analyzer
Replies: 25
Views: 875

Re: RF Spectrum Analyzer

I know next to nothing about Canadian communication rules, but looking at the analyzer you're asking about, a couple of things come to mind: First of all... does your regulatory agency require some kind of calibration reference? If so, there doesn't seem to be anything on the Ebay page that says the...
by RodeoJack
Fri Nov 17, 2017 10:29 am
Forum: STL Engineering
Topic: Women Hearing Distorsion on Station After STL realign
Replies: 20
Views: 910

Re: Women Hearing Distorsion on Station After STL realign

The only Nicom I had got 41 dBuV on a 26 mile path with PR-950s. We got full quieting with stereo, but as I recall, we didn't have a lot of overhead. Drop the transmitter down much and the noise level would become audible. Sorry... don't know what that number was for us, but our "good" number seems ...
by RodeoJack
Mon Nov 13, 2017 4:09 am
Forum: Production Studios
Topic: computer audio interface - alternative to 3.5mm
Replies: 11
Views: 617

Re: computer audio interface - alternative to 3.5mm

I'm using Intel NUCs with Henry USB matchboxes to drive 2 FM and 3 AM transmitters. Sound is great, no computer noise, I get more than enough output to drive the AMs, and no discernible overshoots. Analog inputs... AES and analog outputs. About the only thing you can't do with them is generate a com...
by RodeoJack
Tue Oct 24, 2017 4:22 pm
Forum: FCC Discussion
Topic: FCC drops main studio rule
Replies: 10
Views: 627

FCC drops main studio rule

So... question(s). Given the current state of enforcement, lets consider a station that's dropped its studio and is feeding from an IP box at the transmitter. EAS is there, too. How would an inspector go about arranging a spot check? Call the national office and ask for an appointment? I didn't see ...
by RodeoJack
Mon Aug 14, 2017 11:31 pm
Forum: AM Radio
Topic: DX-10 Controller Probs
Replies: 9
Views: 928

Re: DX-10 Controller Probs

Ditto on recommending you talk with Ralph. I just finished a frequency change on a DX-10. There are some capacitor-type changes in the new models, which we had to adapt to my client's rig. Ralph worked through the version numbers, went out to the factory and got some pictures of a model that was und...
by RodeoJack
Mon Aug 14, 2017 9:39 am
Forum: AM Radio
Topic: RCA BTA1M transmitter
Replies: 13
Views: 1465

Re: RCA BTA1M transmitter

So... why did the industry move away from the 833 and over to the 4-400? It seemed the 833-based transmitters were better performers, especially those that were still in use as the Dorrough and CRL processors were introduced. I'm guessing the industry felt the same way, introducing the 4-500 and , f...
by RodeoJack
Mon Aug 14, 2017 2:59 am
Forum: AM Radio
Topic: Dead Harris - X1000B Suggestion
Replies: 7
Views: 779

Re: Dead Harris - X1000B Suggestion

I lean toward the AM-1A but haven't much experience with their support lately. You shouldn't need it much. In my experience, kept clean and cool, their gear has run as reliably as anyone else's. Come to think of it, I have a couple of their transmitters, running in hot, humid and dusty buildings th...
by RodeoJack
Fri Aug 04, 2017 5:00 pm
Forum: FM Radio
Topic: 6 KW Transmitter Ballpark price
Replies: 17
Views: 1620

Re: 6 KW Transmitter Ballpark price

Just wondering why no mention of BE? I understand some may want to push them toward the "Yugo" pile, but I have a couple of their STX FM rigs and a whole raft of AM-X variants. Can't say I've had any more trouble with their products than anyone else's and, for the most part, they've run without a mu...
by RodeoJack
Mon Jul 10, 2017 1:13 pm
Forum: Radio Studio Engineering
Topic: No sound onair after fading in Outside Broadcast feed
Replies: 5
Views: 524

Re: No sound onair after fading in Outside Broadcast feed

For the canceling to be heard as described, a monaural board monitor would have to be a sum of both channels. Merely sampling one side or the other would result in good audio regardless of phase. If the poster has control of the audio processor (he didn't say if he was AM or FM), he could try turnin...
by RodeoJack
Sat Jun 17, 2017 11:21 am
Forum: AM Radio
Topic: RFI-Resistant USB Audio Interface
Replies: 6
Views: 769

Re: RFI-Resistant USB Audio Interface

This doesn't address the budget issue, but if all else fails, get a "USB Matchbox II" from Henry. It replaces the computer audio circuitry, is balanced in and out and can produce +10 to drive a transmitter directly, if you needed to. I have 3 of these in a 5kW AM station, sitting less than 100 feet ...