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Search: Posts Made By: rabbit73
Forum: HDTV Technical   07-03-2015, 07:49 PM
Replies: 11
Views: 166
Posted By rabbit73
Thanks for double checking my analysis, Chuck.

Thanks for double checking my analysis, Chuck.
Forum: HDTV Technical   07-03-2015, 04:19 PM
Replies: 11
Views: 166
Posted By rabbit73
I looked at the frequencies of your strong FM...

I looked at the frequencies of your strong FM signals, and they are all across the FM band. All FM filters are not the same. The Radio Shack filter will not block the 88 MHz end very well, and the...
Forum: HDTV Technical   07-03-2015, 03:55 PM
Replies: 11
Views: 166
Posted By rabbit73
The best selection of channels is from the west,...

The best selection of channels is from the west, at about 260 magnetic to favor KING. In order to compensate for the poor quality 2Edge signals, I suggest a Winegard HD7697P or even better a 7698...
Forum: HDTV Technical   07-03-2015, 03:38 PM
Replies: 11
Views: 166
Posted By rabbit73
Welcome to the forum, Pedro: Thanks for the...

Welcome to the forum, Pedro:

Thanks for the TVFOOL report. We wanted to be able to click on the callsigns in your report to see what the terrain between the transmitters and your location looked...
Forum: HDTV Technical   07-02-2015, 07:37 PM
Replies: 13
Views: 292
Posted By rabbit73
Turned Off TV Sets Can Jam Signals ...

Turned Off TV Sets Can Jam Signals

http://www.tvtechnology.com/digital-tv/0148/turned-off-tv-sets-can-jam-signals/272723
Forum: HDTV Technical   07-02-2015, 06:39 PM
Replies: 12
Views: 221
Posted By rabbit73
Shure? ...

Shure?

http://www.shure.com/americas/support/tools/wireless-frequency-finder

I have seen herringbone patterns on analog cable channel 19 from pager transmitters.

4G interference to UHF...
Forum: HDTV Technical   07-01-2015, 03:28 PM
Replies: 12
Views: 221
Posted By rabbit73
Only if you are certain that's where the problem...

Only if you are certain that's where the problem is. You have been using the shotgun approach to troubleshooting. You need to find where the signal is going bad by signal tracing before you can fix...
Forum: HDTV Technical   07-01-2015, 04:33 AM
Replies: 12
Views: 221
Posted By rabbit73
You need to find the point in the system where it...

You need to find the point in the system where it goes from good to bad by signal tracing.

The spectrum analyzer is a good idea. It will show not only ingress, but an elevated noise floor.

Do...
Forum: HDTV Technical   06-28-2015, 05:40 PM
Replies: 28
Views: 286
Posted By rabbit73
You might be able to pick up WBRA PBS even though...

You might be able to pick up WBRA PBS even though you don't have a large antenna for channel 3.

WVPT PBS is a very weak poor quality channel. The transmitter profile (click on the callsign in...
Forum: HDTV Technical   06-28-2015, 05:38 PM
Replies: 28
Views: 286
Posted By rabbit73
You might be able to pick up WBRA PBS even though...

You might be able to pick up WBRA PBS even though you don't have a large antenna for channel 3.
WVPT PBS is a very weak poor quality channel. The transmitter profile (click on the callsign in your...
Forum: HDTV Technical   06-28-2015, 04:47 PM
Replies: 28
Views: 286
Posted By rabbit73
You have some FM signals that are stronger than...

You have some FM signals that are stronger than your TV signals, so they might cause interference to your TV reception. You might need an FM filter.

What makes the driveway so white?
Forum: HDTV Technical   06-28-2015, 04:01 PM
Replies: 28
Views: 286
Posted By rabbit73
Maybe not; maybe you can use it. What does it...

Maybe not; maybe you can use it. What does it look like; what does it say on it?
Don't assume, test them.
Maybe; it depends upon where the power inerter is.
If you start with a 2-way splitter for...
Forum: HDTV Technical   06-28-2015, 07:15 AM
Replies: 28
Views: 286
Posted By rabbit73
Thanks for the report; it helps a lot. However, a...

Thanks for the report; it helps a lot. However, a report using exact address or coordinates (which wouldn't show) would have been more accurate for our analysis.
That antenna is not suitable for...
Forum: HDTV Technical   06-27-2015, 03:23 PM
Replies: 28
Views: 286
Posted By rabbit73
An electrician can fish it through for you. An...

An electrician can fish it through for you.
An amplifier might not be necessary. There is such a thing as too much signal which causes overload. We will not know until we see your tvfool report....
Forum: HDTV Technical   06-26-2015, 08:46 AM
Replies: 6
Views: 165
Posted By rabbit73
Pete is an expert. It's Joe that needs the...

Pete is an expert.

It's Joe that needs the help.

I sent a PM to JoeM.
Forum: HDTV Technical   06-26-2015, 08:26 AM
Replies: 8
Views: 275
Posted By rabbit73
ProjectSHO89 is correct; there might be a...

ProjectSHO89 is correct; there might be a problem.

If the output of the STB uses OTA frequencies for local channels, you will need to use a switching system like this to select OTA or satellite...
Forum: HDTV Technical   06-26-2015, 04:53 AM
Replies: 8
Views: 275
Posted By rabbit73
It looks correct to me if the diplexers between...

It looks correct to me if the diplexers between LNB1 and STB1 and LNB2 and STB2 are correct for your satellite system and will pass power to the LNBs.


Holland makes two types, DPD2 and STVC...
Forum: HDTV Technical   06-23-2015, 04:52 PM
Replies: 6
Views: 143
Posted By rabbit73
Which are the ones you don't care about? The...

Which are the ones you don't care about?
The C2V would be OK down to about KUGB.
The mileage ratings are a creation of the marketing department, not the engineering department. You can ignore them...
Forum: HDTV Technical   06-23-2015, 03:29 PM
Replies: 6
Views: 143
Posted By rabbit73
When you did a scan for channels, did you have it...

When you did a scan for channels, did you have it set for antenna instead of cable?

The things that make signals weak in an attic are stucco siding, aluminum siding, attic radiant barrier like...
Forum: HDTV Technical   06-23-2015, 03:20 PM
Replies: 6
Views: 143
Posted By rabbit73
Welcome to the forum, cuttingmycordss: With...

Welcome to the forum, cuttingmycordss:

With signals that strong, you should have gotten better results in the attic.

The signal loss for an attic antenna location is difficult to predict.
...
Forum: HDTV Technical   06-23-2015, 07:45 AM
Replies: 12
Views: 200
Posted By rabbit73
simple tuner thread link here: ...

simple tuner

thread link here:
http://www.avsforum.com/forum/25-hdtv-technical/2035577-simple-tuner.html
Forum: HDTV Technical   06-22-2015, 04:58 PM
Replies: 18
Views: 279
Posted By rabbit73
Sorry about that. I posted it twice, and it...

Sorry about that. I posted it twice, and it tested OK after posting, but the "new and improved forum software" keeps breaking the link in the middle. The new software is also messing with my...
Forum: HDTV Technical   06-22-2015, 11:58 AM
Replies: 18
Views: 279
Posted By rabbit73
Have you grounded the coax and the mast? ...

Have you grounded the coax and the mast?

The coax shield should be grounded with a grounding block that is connected to the house electrical system ground with 10 gauge copper wire for electrical...
Forum: HDTV Technical   06-22-2015, 11:38 AM
Replies: 18
Views: 279
Posted By rabbit73
This is getting hard to diagnose; we need to dig...

This is getting hard to diagnose; we need to dig a little deeper to have a better chance of helping you. Are you willing to answer some more questions and try some experiments?

I am willing to...
Forum: HDTV Technical   06-22-2015, 08:03 AM
Replies: 18
Views: 279
Posted By rabbit73
That's an interesting question. I do have some...

That's an interesting question. I do have some more information, but I didn't want to "overload" Jimcny's input.:)

THREE TYPES OF OVERLOAD
There are three types of preamp or tuner overload, in...
Showing results 1 to 25 of 1109

 
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