Search found 360 matches

by grich
Wed Jun 13, 2018 9:08 pm
Forum: FM Radio
Topic: FM and windmills
Replies: 6
Views: 215

Re: FM and windmills

COMMENG wrote:
Wed Jun 13, 2018 2:10 pm
We have a bunch of windwmills up here in Iowa, in fact many of the components are made in Cedar Rapids...
Yes, we do. :D

The old Maytag plant in Newton is home to a company that makes blades, I believe. I can see the beacons on the Story County wind farms from my back yard on a clear night.
by grich
Wed Jun 13, 2018 1:25 pm
Forum: FM Radio
Topic: FM and windmills
Replies: 6
Views: 215

Re: FM and windmills

They're a class C1 in the reserved band, 634 feet HAAT. University-owned, two windmills could be within a couple miles. Powers-that-be didn't mention it to the GM till the deal was done, apparently.
by grich
Tue Jun 12, 2018 5:21 pm
Forum: TV Studio Engineering
Topic: Weather Radar
Replies: 6
Views: 178

Re: Weather Radar

Most TV stations have a weather graphics package (ours comes from the company formerly known as WSI), and the NWS radar data comes from the data feed provided by the graphics vendor. We and one of the other stations in our market also have our own C or S-band radar, and the data from that is integra...
by grich
Tue Jun 12, 2018 5:17 pm
Forum: FM Radio
Topic: FM and windmills
Replies: 6
Views: 215

FM and windmills

Someone I know is going to have a wind farm built around his TX site. Does anyone know of any data chronicling FM reception issues caused by wind farms?

Gregg
by grich
Tue Jun 05, 2018 4:19 pm
Forum: AM Radio
Topic: AM Tuning Unit Design Software
Replies: 9
Views: 317

Re: AM Tuning Unit Design Software

I don't think I have in my possession a freeware Windows-based ATU tool...they're all DOS-based, which I operate within DOSBOX.
by grich
Thu May 31, 2018 11:50 am
Forum: FM Radio
Topic: Harris HT25-FM
Replies: 6
Views: 299

Re: Harris HT25-FM

Rotting RF cables between exciter and IPA, and exicter and PA deck are common for this age of transmitter. Check them all. Are there other stations transmitting from this site? I've seen issues with co-located AM transmitters getting into the FM transmitter and creating spurs on the FM carrier +/- t...
by grich
Thu May 17, 2018 10:13 am
Forum: Ask the Engineers
Topic: C-band TI
Replies: 21
Views: 472

Re: C-band TI

I had forgotten about the old SA and whatever the other SEDAT RX was. I have a station with at least one of those down converters still hanging on the wall. I think the other system was the Fairchild Sedat system. It was alot similar to the SA 9000right down to size and changeable receive modules. ...
by grich
Thu May 17, 2018 10:01 am
Forum: FCC Discussion
Topic: RX-only C-band receive station registration, form 312
Replies: 41
Views: 978

Re: RX-only C-band receive station registration, form 312

Classic Harris Delta Gain dish. I may have placed a manual for one in the recycle pile last week...might be recoverable if you need it. They aren't 2-degree compliant, so I was told. One of my clients still uses one for EWTN on Galaxy 19. We registered it last year (with a PCN). Another client demo...
by grich
Thu May 17, 2018 9:48 am
Forum: FCC Discussion
Topic: RX-only C-band receive station registration, form 312
Replies: 41
Views: 978

Re: RX-only C-band receive station registration, form 312

the FCC will use Google Earth to spot-check for the existence of the dish being registered. This will be an issue for the client I'm working on now, because GE is not updated to show an overhead view of the new studio building (and dish) built in 2016. You might want to check GE to see if your dish...
by grich
Wed May 16, 2018 10:03 am
Forum: Ask the Engineers
Topic: C-band TI
Replies: 21
Views: 472

Re: C-band TI

I had forgotten about the old SA and whatever the other SEDAT RX was. I have a station with at least one of those down converters still hanging on the wall. Later, Fairchild. Found one of those at the transmitter site hiding on a shelf last year. It's now in recycle-heaven. For several years, I use...
by grich
Tue May 08, 2018 7:28 am
Forum: TV Engineering
Topic: Silent spot
Replies: 13
Views: 569

Re: Silent spot

Or the Hollywood Exchange spot, that aired on NBC Network. Started out with bars and tone. That was a fun one when it aired, and because it was on network, we got no local indication it was going to air. I missed out on that one. If I had been on duty, I can imagine the swearing under my breath as ...
by grich
Thu May 03, 2018 10:24 am
Forum: FCC Discussion
Topic: RX-only C-band receive station registration, form 312
Replies: 41
Views: 978

Re: RX-only C-band receive station registration, form 312

I used the online form 312 last night for another client. It's not exactly the same as the PDF form, but with the provided samples, I slugged my way through it. I left it saved in the workspace for review by the attorney and online fee filing. I've filled out worse. Here's something you might want t...
by grich
Thu May 03, 2018 10:19 am
Forum: FCC Discussion
Topic: RX-only C-band receive station registration, form 312
Replies: 41
Views: 978

Re: RX-only C-band receive station registration, form 312

Classic Harris Delta Gain dish. I may have placed a manual for one in the recycle pile last week...might be recoverable if you need it. They aren't 2-degree compliant, so I was told. One of my clients still uses one for EWTN on Galaxy 19. We registered it last year (with a PCN). Another client demo...
by grich
Mon Apr 30, 2018 8:56 pm
Forum: FCC Discussion
Topic: RX-only C-band receive station registration, form 312
Replies: 41
Views: 978

Re: RX-only C-band receive station registration, form 312

Classic Harris Delta Gain dish. I may have placed a manual for one in the recycle pile last week...might be recoverable if you need it. They aren't 2-degree compliant, so I was told. One of my clients still uses one for EWTN on Galaxy 19. We registered it last year (with a PCN). Another client demo'...
by grich
Thu Apr 19, 2018 4:27 pm
Forum: Master Control
Topic: X-Y protocol??
Replies: 20
Views: 399

Re: X-Y protocol??

The FS2 will frame-rate convert, although there may be limits...I haven't looked. We have one converting two devices (an Apple TV box and a grid cam) from 1080i60 to 1080i59.94. The FS1 certainly can't do that. We had a smattering of X-Y protocol devices over the years, and some third-party computer...