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Forum: HDTV Technical   10-25-2014, 05:27 PM
Replies: 33
Views: 605
Posted By rabbit73
Good. I had to ask to be sure; you seemed...

Good.

I had to ask to be sure; you seemed to be using the meter to the exclusion of any other method for troubleshooting.

No offense meant; we are trying to help you.

I have been a ham...
Forum: HDTV Technical   10-25-2014, 09:50 AM
Replies: 33
Views: 605
Posted By rabbit73
jazzdj: When testing a cable with an...

jazzdj:

When testing a cable with an ohmmeter, the cable must not be connected to any equipment. If it is connected, your results at best might be inconclusive or misleading; at worst, the...
Forum: HDTV Technical   10-24-2014, 09:56 PM
Replies: 33
Views: 605
Posted By rabbit73
You are trying to troubleshoot the whole system...

You are trying to troubleshoot the whole system at once.

Divide and conquer.

You need to isolate the problem to one part of the system.

I repeat:

What you need to do is called...
Forum: HDTV Technical   10-24-2014, 06:54 PM
Replies: 33
Views: 605
Posted By rabbit73
Where was the other end of the coax connected? ...

Where was the other end of the coax connected?
Open, because there is a series capacitor in the inserter that passes the signals to the TV but blocks the DC power from getting into the TV. Your...
Forum: HDTV Technical   10-23-2014, 07:06 PM
Replies: 33
Views: 605
Posted By rabbit73
Correct Good analysis of System Noise...

Correct

Good analysis of System Noise Figure, Chuck.
Forum: HDTV Technical   10-22-2014, 09:06 PM
Replies: 33
Views: 605
Posted By rabbit73
You are welcome; glad to be of help. Oh, Ok....

You are welcome; glad to be of help.
Oh, Ok. There shouldn't be a voltage drop problem with a short run like that, and it's hard to measure the current and voltage because you need to access the...
Forum: HDTV Technical   10-22-2014, 07:37 PM
Replies: 33
Views: 605
Posted By rabbit73
The first one of 4 on the left. (option 2) ...

The first one of 4 on the left. (option 2)
http://www.pctstore.com/v/vspfiles/assets/images/pct-ma2-xp_pct-ma2-xpn_instruction%20sheet.pdf

PCT-MPI-1G INFO:...
Forum: HDTV Technical   10-21-2014, 06:25 PM
Replies: 16
Views: 321
Posted By rabbit73
Static? You should have seen a black screen after...

Static? You should have seen a black screen after scan for no signals.

When you made the test with your antenna, did you connect it to the TV with a short length of coax or did you go through the...
Forum: HDTV Technical   10-16-2014, 06:58 PM
Replies: 12
Views: 379
Posted By rabbit73
You...

You (http://transition.fcc.gov/fcc-bin/tvq?call=WNEM) don't need to go to the FCC site, you can use your tvfool report.
This is your tvfool report based on an estimate of your location:...
Forum: HDTV Technical   10-15-2014, 06:06 PM
Replies: 16,293
Views: 2,822,091
Posted By rabbit73
You seem to be unwilling to tell us about your...

You seem to be unwilling to tell us about your antenna, so you must consider it to be proprietary information.

The only way that I know how to prove your results are:

1. Hire someone to use...
Forum: HDTV Technical   10-14-2014, 03:59 PM
Replies: 16,293
Views: 2,822,091
Posted By rabbit73
What batwing antenna are you talking about? ...

What batwing antenna are you talking about?
https://www.google.com/?gws_rd=ssl#q=batwing+antenna

The guys on the DHC forum that do computer modeling of antennas might be able to give you those...
Forum: HDTV Technical   10-11-2014, 06:06 PM
Replies: 121
Views: 17,473
Posted By rabbit73
They are a small outfit that is hard to find: ...

They are a small outfit that is hard to find:

ABILITY HDTV
div/ Ability Provisioning Corporation

Current info on Ability:
http://abilityhdtv.com/

their low noise preamp:...
Forum: HDTV Technical   10-10-2014, 06:51 PM
Replies: 7
Views: 336
Posted By rabbit73
I tried to find a manual for your antenna to see...

I tried to find a manual for your antenna to see if you can use it without the amplifier, but I think it is always connected. Try a different non-amplified antenna as tylerSC suggested.

Your...
Forum: HDTV Technical   10-10-2014, 06:29 PM
Replies: 7
Views: 336
Posted By rabbit73
cloin: I think I got your partial links...

cloin:

I think I got your partial links working OK. I had to close up the space between the 1 and the d at the end of the tvfool link, and the space between the com and the /dp in your antenna...
Forum: HDTV Technical   09-29-2014, 06:40 PM
Replies: 16
Views: 828
Posted By rabbit73
Radiant barrier plywood has aluminum foil on the...

Radiant barrier plywood has aluminum foil on the surface that will not only reflect but also block TV signals.
Forum: HDTV Technical   09-16-2014, 08:21 PM
Replies: 54
Views: 3,794
Posted By rabbit73
It's not critical. ...

It's not critical.
http://m4antenna.eastmasonvilleweather.com/Drawings/PDF%20Drawings.html

I see that you have made a second try at the tvfool forum (1 Problem Channel); hope you get some more...
Forum: HDTV Technical   09-16-2014, 07:48 PM
Replies: 54
Views: 3,794
Posted By rabbit73
I get a warning from my Norton security software...

I get a warning from my Norton security software about the tvantennaplans site, so I didn't go there. If you used these plans in post #17...
Forum: HDTV Technical   09-16-2014, 06:38 PM
Replies: 54
Views: 3,794
Posted By rabbit73
What are the dimensions for your homemade UHF...

What are the dimensions for your homemade UHF antenna; the whisker length on each side of the vertical phasing lines and the vertical spacing between each of the 4 bays? It might not be optimum.
...
Forum: HDTV Technical   07-26-2014, 07:39 PM
Replies: 16,293
Views: 2,822,091
Posted By rabbit73
Oh, of course. An F connector for RG-59 instead...

Oh, of course. An F connector for RG-59 instead of one for RG-6; 0.240" is closer. Thanks.
Forum: HDTV Technical   07-26-2014, 05:40 PM
Replies: 16,293
Views: 2,822,091
Posted By rabbit73
Chuck: Thanks for going to all that trouble...

Chuck:

Thanks for going to all that trouble to test four types of baluns and show us the results. I really appreciate it. Your tests clearly show the superior performance of the coaxial balun.
...
Forum: HDTV Technical   07-22-2014, 11:27 AM
Replies: 16,293
Views: 2,822,091
Posted By rabbit73
Brian Beezley K6STI and the coaxial balun

Chuck:

Thanks for the photos of your low-loss baluns. I see that, as a precaution, you have added ferrite beads to your coax balun. Do you have any photos of your UHF combiner?

I can't get...
Forum: HDTV Technical   07-22-2014, 10:38 AM
Replies: 16,293
Views: 2,822,091
Posted By rabbit73
Larry: Thanks for the tvfool report. You ...

Larry:

Thanks for the tvfool report. You certainly are in overload territory.

The only way I can think of for you to be able to receive one of those weak stations would be to have an antenna...
Forum: HDTV Technical   07-21-2014, 03:40 PM
Replies: 16,293
Views: 2,822,091
Posted By rabbit73
It might make it happen. The gain curves of those...

It might make it happen. The gain curves of those two antennas are not flat, so a lot depends upon the frequency of the needed channels. What RF channels do you need?...
Forum: HDTV Technical   07-16-2014, 06:39 PM
Replies: 6
Views: 467
Posted By rabbit73
I like the CM94444 balun: ...

I like the CM94444 balun:
http://www.homedepot.com/p/Channel-Master-Outdoor-Transformer-Balun-CM-94444/203763061
http://www.thesource.ca/estore/product.aspx?product=1509140&language=en-CA...
Forum: HDTV Technical   07-12-2014, 03:47 PM
Replies: 77
Views: 6,370
Posted By rabbit73
"Where do I add that I'm off grid, so the whole...

"Where do I add that I'm off grid, so the whole area/wiring is permeated with choppy modified sign wave, AC, RF interference ? (from a modified sign wave inverter).

Is there a filter or cap or...
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