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Search: Posts Made By: rabbit73
Forum: Help With Reception Today, 1:34 AM
Replies: 1
Views: 8
Posted By rabbit73
Hello, Bob; welcome to the forum. This is an...

Hello, Bob; welcome to the forum.

This is an active link to your report:
http://www.tvfool.com/?option=com_wrapper&Itemid=29&q=id%3d9038c9988bef42

TVFool reports are no longer very accurate...
Forum: Help With Reception Yesterday, 10:47 PM
Replies: 9
Views: 696
Posted By rabbit73
Previously, I'm from NJ. I started at Rutgers to...

Previously, I'm from NJ. I started at Rutgers to be an EE, my father died, had to leave school and joined the Army during the Korean war (radio operator in Germany). Was an AV Tech for the Government...
Forum: Help With Reception Yesterday, 9:10 PM
Replies: 9
Views: 696
Posted By rabbit73
I agree with jrgagne99; go for safety and...

I agree with jrgagne99; go for safety and convenience. The coax loss (attenuation factor) for RG6 coax is much less for VHF than UHF. It's only 1.4 dB per 100 ft for channel 2, 2.8 dB for VHF-High,...
Forum: Help With Reception Yesterday, 2:41 PM
Replies: 9
Views: 696
Posted By rabbit73
That is correct The preamp does add its NF...

That is correct
The preamp does add its NF which reduces the SNR of the signal coming from the antenna, but on VHF the preamp noise and tuner noise are buried in the much higher amplified local...
Forum: Help With Reception Yesterday, 2:15 AM
Replies: 9
Views: 696
Posted By rabbit73
Hello, rsw1941; welcome to the forum. An amp...

Hello, rsw1941; welcome to the forum.

An amp will make the the channel 2 signal stronger, but it will also amplify the ambient noise at your location, resulting in no improvement in the SNR.
...
Forum: Antennas 2-Jul-2020, 5:17 PM
Replies: 6
Views: 8,592
Posted By rabbit73
http://forum.tvfool.com/attachment.php?attachmenti...

http://forum.tvfool.com/attachment.php?attachmentid=3801&d=1593708404

Hello, Mike

The signal is fairly strong, but the HDHR signal quality must be at least 50% with an SNR of at least 15 dB....
Forum: Help With Reception 20-Jun-2020, 11:25 PM
Replies: 7
Views: 1,645
Posted By rabbit73
Hello, RG6er; welcome to the forum. The link...

Hello, RG6er; welcome to the forum.

The link to your TVFool report doesn't work; there is one character missing, a "?" before option. I think this is your report:...
Forum: Antennas 26-May-2020, 1:08 PM
Replies: 13
Views: 2,799
Posted By rabbit73
When I look at the text box for your post #2 as...

When I look at the text box for your post #2 as if I were going to quote you in a reply, I see links to attachments. Those links have the BB code to show the images in the post, but the images do not...
Forum: Help With Reception 7-May-2020, 2:56 PM
Replies: 4
Views: 1,937
Posted By rabbit73
http://forum.tvfool.com/attachment.php?attachmenti...

http://forum.tvfool.com/attachment.php?attachmentid=3710&d=1588867936

http://forum.tvfool.com/attachment.php?attachmentid=3711&d=1588868252


Hello, Caveman007; welcome to the forum.

You...
Forum: General Site Feedback / Discussion 10-Jan-2020, 5:11 PM
Replies: 5
Views: 48,260
Posted By rabbit73
Yes, I did. The first time was 6 repeat PMs; the...

Yes, I did. The first time was 6 repeat PMs; the second time was 7 PMs.

I deleted all of them WITHOUT clicking on any of the active links in the messages.

What language is that?

I wonder...
Forum: Help With Reception 10-Jan-2020, 12:11 AM
Replies: 18
Views: 1,654
Posted By rabbit73
Yup, powerline noise can cause interference to TV...

Yup, powerline noise can cause interference to TV signals, especially on VHF like WZZM ABC on 13 and WGVU on 11.

https://forum.tvfool.com/attachment.php?attachmentid=3616&d=1578660290
Forum: Help With Reception 9-Jan-2020, 11:28 PM
Replies: 18
Views: 1,654
Posted By rabbit73
OK Denny's in Ithaca, MI? A splitter in...

OK
Denny's in Ithaca, MI?

A splitter in reverse as a combiner will give you problems.
That sounds like the Stacker.

You're right, a rotator will cause problems.

I suggest you have your...
Forum: Help With Reception 9-Jan-2020, 10:48 PM
Replies: 18
Views: 1,654
Posted By rabbit73
OK, you're going to make me hunt for it. I looked...

OK, you're going to make me hunt for it. I looked at your previous thread for the missing details since you didn't want to give them here. Is this report correct for your location?...
Forum: Help With Reception 9-Jan-2020, 10:15 PM
Replies: 18
Views: 1,654
Posted By rabbit73
I don't completely understand your problem. There...

I don't completely understand your problem. There are a lot of details missing.

Why do you need to take one out? What advantage does that give you?

What is the problem if you don't take it out?...
Forum: Help With Reception 9-Jan-2020, 7:21 PM
Replies: 18
Views: 1,654
Posted By rabbit73
would this relay work for you? ...

would this relay work for you?

https://www.rfparts.com/cx550f.html
Forum: Antennas 5-Jan-2020, 7:56 PM
Replies: 112
Views: 131,518
Posted By rabbit73
This is what the original RCA ANT751 looks like: ...

This is what the original RCA ANT751 looks like:

http://forum.tvfool.com/attachment.php?attachmentid=2614&d=1492288273

This is what the RCA ANT7511 looks like:
...
Forum: Antennas 5-Jan-2020, 6:53 PM
Replies: 112
Views: 131,518
Posted By rabbit73
Here is an illustration of the shorting stubs...

Here is an illustration of the shorting stubs which M. J. Salvati calls an Isolation Network (see attachments):

http://forum.tvfool.com/attachment.php?attachmentid=2611&stc=1&d=1491963344

The...
Forum: Antennas 5-Jan-2020, 3:02 PM
Replies: 112
Views: 131,518
Posted By rabbit73
I really hate what RCA is doing with that...

I really hate what RCA is doing with that antenna. The original 751 was a good design, but they have messed with it so many times it's difficult to know what version will be in the box you buy. It...
Forum: Help With Reception 23-Dec-2019, 1:11 PM
Replies: 4
Views: 1,365
Posted By rabbit73
Hello, Bill; welcome to the forum. Thank you...

Hello, Bill; welcome to the forum.

Thank you for the signal report. Here is a report from rabbitears.info that should be more up to date:...
Forum: Help With Reception 22-Dec-2019, 5:19 PM
Replies: 32
Views: 3,951
Posted By rabbit73
Good find! Thanks for the photos. ...

Good find! Thanks for the photos.

https://forum.tvfool.com/attachment.php?attachmentid=3601&d=1577038712

https://forum.tvfool.com/attachment.php?attachmentid=3602&d=1577038735
...
Forum: Help With Reception 21-Dec-2019, 4:50 PM
Replies: 32
Views: 3,951
Posted By rabbit73
Any plastic housing for a PCB balun will trap...

Any plastic housing for a PCB balun will trap moisture from condensation. The best designed housings have "weep holes" at the bottom to allow the enclosure to breathe and drain moisture.

Older...
Forum: Help With Reception 21-Dec-2019, 3:20 PM
Replies: 32
Views: 3,951
Posted By rabbit73
Thank you for the report of improved reception....

Thank you for the report of improved reception. I'm glad that my balun tests gave you an idea that helped. I hope the improvement will continue.

Antennas have always seemed like magic to me. I...
Forum: Help With Reception 19-Dec-2019, 2:31 PM
Replies: 32
Views: 3,951
Posted By rabbit73
WDBJ virtual channel 7.1 has an "R" in the right...

WDBJ virtual channel 7.1 has an "R" in the right column of the rabbitsears report which indicates reduced coverage. They might still be using their low power STA transmitter with a directional...
Forum: Help With Reception 15-Dec-2019, 11:28 PM
Replies: 5
Views: 1,220
Posted By rabbit73
Hello, Brian. Thank you for the report. You do...

Hello, Brian. Thank you for the report. You do have co-channel interference, but it is now different because of Repack channel changes.

WFSB has co-channel interference on real channel 36 from...
Forum: Special Topics 10-Dec-2019, 6:04 PM
Replies: 5
Views: 2,711
Posted By rabbit73
You would have to use computer modeling for the...

You would have to use computer modeling for the precise dimensions.

Using four 90 degree elbows should be OK. I would make the spacing 3 inches, unless that creates a problem with sweating the...
Showing results 1 to 25 of 500

 

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