TV Fool  

Go Back   TV Fool > Search Forums

Notices

Showing results 1 to 25 of 500
Search took 0.06 seconds.
Search: Posts Made By: rabbit73
Forum: Antennas Today, 8:39 PM
Replies: 2
Views: 118
Posted By rabbit73
There is no basic troubleshooting guide for the...

There is no basic troubleshooting guide for the electronics in preamps.
Even if you found a bad part, could you remove and replace a tiny surface mount component?

There are external tests you...
Forum: Help With Reception Yesterday, 3:55 PM
Replies: 127
Views: 2,814
Posted By rabbit73
Don't give them all away, keep a few as spares. ...

Don't give them all away, keep a few as spares.

Good luck.
Forum: Help With Reception Yesterday, 2:35 PM
Replies: 127
Views: 2,814
Posted By rabbit73
That is a UVSJ (UHF/VHF Separator-Joiner), which...

That is a UVSJ (UHF/VHF Separator-Joiner), which is also called a diplexer or UHF/VHF combiner. You can use it after the power inserter for the UHF PA18 or after the two power inserters for two...
Forum: Help With Reception 15-Apr-2019, 8:34 PM
Replies: 43
Views: 1,369
Posted By rabbit73
There are a lot of different models of the...

There are a lot of different models of the Johansson preamp.
preamplifiers, scroll down:
https://unitrongroup.com/en/products/CAT/AMP/APRE.html

preamplifiers and kits, scroll down:...
Forum: Help With Reception 15-Apr-2019, 3:15 PM
Replies: 127
Views: 2,814
Posted By rabbit73
Tim's revised diagram shows the UVSJ after the...

Tim's revised diagram shows the UVSJ after the preamps, but it does not show the power inserter for the PA18 or how the LNA100 gets power.
Forum: Help With Reception 15-Apr-2019, 1:08 AM
Replies: 127
Views: 2,814
Posted By rabbit73
The LNA200 uses a power inserter, but the LNA100...

The LNA200 uses a power inserter, but the LNA100 does not use a power inserter. The USB power for the LNA100 goes directly into a connector on the amp housing....
Forum: Help With Reception 14-Apr-2019, 7:00 PM
Replies: 43
Views: 1,369
Posted By rabbit73
Thank you for the encouraging report on WYJJ....

Thank you for the encouraging report on WYJJ. Glad we were able to help.

Best regards,
rabbit
Forum: Help With Reception 14-Apr-2019, 2:26 PM
Replies: 43
Views: 1,369
Posted By rabbit73
https://forum.tvfool.com/attachment.php?attachment...

https://forum.tvfool.com/attachment.php?attachmentid=3374&d=1555250014

The chance of it working is poor but not impossible. It's just another way of combining two UHF antennas aimed in different...
Forum: Antennas 14-Apr-2019, 2:14 AM
Replies: 13
Views: 823
Posted By rabbit73
rabbitears.info shows K03FB on the air: ...

rabbitears.info shows K03FB on the air:
https://rabbitears.info//market.php?request=station_search&callsign=K03FB

Either it isn't on the air or you have a high noise level on CH3.

I suggest...
Forum: Antennas 13-Apr-2019, 6:08 PM
Replies: 18
Views: 23,770
Posted By rabbit73
Norton blocked that link for me; said it was...

Norton blocked that link for me; said it was dangerous......might have been interesting.

OK, I was able to read the Google cache. Extract here:

NOISE TEMPERATURE, NOISE FACTOR and NOISE FIGURE...
Forum: Help With Reception 13-Apr-2019, 3:16 PM
Replies: 43
Views: 1,369
Posted By rabbit73
To me, all antennas are beautiful; they are...

To me, all antennas are beautiful; they are magic.

https://forum.tvfool.com/attachment.php?attachmentid=3367&d=1555169979
Forum: Antennas 13-Apr-2019, 3:03 PM
Replies: 18
Views: 23,770
Posted By rabbit73
Measuring the noise figure of a preamp is not...

Measuring the noise figure of a preamp is not easily done; I don't have the proper equipment to do it accurately. It requires an expensive calibrated noise source. I depend upon the measurements done...
Forum: Help With Reception 13-Apr-2019, 2:25 AM
Replies: 43
Views: 1,369
Posted By rabbit73
I bought two RCA TVPRAMP1R preamps in sealed...

I bought two RCA TVPRAMP1R preamps in sealed boxes; both failed. I can't recommend a preamp with such poor quality control. The Antennas Direct Juice is more reliable and you can add a UVSJ if you...
Forum: Help With Reception 13-Apr-2019, 2:04 AM
Replies: 7
Views: 335
Posted By rabbit73
It's your choice. Chicago channel changes...

It's your choice.

Chicago channel changes indicated by arrows:
https://www.rabbitears.info/market.php?request=station_search&callsign=WBBM

Repack Plan for Chicago:...
Forum: Help With Reception 13-Apr-2019, 1:44 AM
Replies: 7
Views: 335
Posted By rabbit73
https://forum.tvfool.com/attachment.php?attachment...

https://forum.tvfool.com/attachment.php?attachmentid=3365&d=1555120937

https://forum.tvfool.com/attachment.php?attachmentid=3364&d=1555120582

Good test.
WBBM is one of your weaker Chicago...
Forum: Help With Reception 13-Apr-2019, 12:02 AM
Replies: 7
Views: 335
Posted By rabbit73
Your report links don't work. You did a copy and...

Your report links don't work. You did a copy and paste from the other thread, so the centers of the links are missing. Try these:...
Forum: Help With Reception 12-Apr-2019, 3:30 PM
Replies: 43
Views: 1,369
Posted By rabbit73
Thank you for making the interesting test. ...

Thank you for making the interesting test.
The general rule is the higher, the better, but when the signals are scattered by an obstruction, the wavefront is not uniform and there will be hot...
Forum: Antennas 12-Apr-2019, 2:43 PM
Replies: 18
Views: 23,770
Posted By rabbit73
Pete Higgins gave a report of his LNA200 tests on...

Pete Higgins gave a report of his LNA200 tests on another forum. He wasn't any more impressed with its performance than ADTech was: it's an OK preamp, but not as good as Winegard says it is....
Forum: Help With Reception 11-Apr-2019, 8:16 PM
Replies: 43
Views: 1,369
Posted By rabbit73
Here is the WYJJ terrain profile with your...

Here is the WYJJ terrain profile with your antenna at ground level. The signal doesn't clear the hill.

https://forum.tvfool.com/attachment.php?attachmentid=3359&d=1555013747

Here is the terrain...
Forum: Help With Reception 11-Apr-2019, 6:02 PM
Replies: 43
Views: 1,369
Posted By rabbit73
I don't have a 91XG and have never assembled one....

I don't have a 91XG and have never assembled one. I suggest you wait for ADTech to come by to this forum as he often does. He would be your best source of advice on the Antennas Direct 91XG.

Where...
Forum: Help With Reception 11-Apr-2019, 2:36 AM
Replies: 43
Views: 1,369
Posted By rabbit73
https://forum.tvfool.com/attachment.php?attachment...

https://forum.tvfool.com/attachment.php?attachmentid=3356&d=1554950966

https://forum.tvfool.com/attachment.php?attachmentid=3358&d=1554951716

Very brave. Thanks for the photos; they always help...
Forum: Help With Reception 10-Apr-2019, 12:02 PM
Replies: 22
Views: 705
Posted By rabbit73
GypsyCowgirl has just one post and it looks like...

GypsyCowgirl has just one post and it looks like she isn't coming back.
Forum: Help With Reception 9-Apr-2019, 10:06 PM
Replies: 22
Views: 705
Posted By rabbit73
Here is a report from rabbitears.info which...

Here is a report from rabbitears.info which should have a more accurate list of channels:

https://forum.tvfool.com/attachment.php?attachmentid=3355&d=1554847586

I suggest the Winegard HD7694P...
Forum: Help With Reception 8-Apr-2019, 2:07 AM
Replies: 43
Views: 1,369
Posted By rabbit73
Thank you for the PM. I do see the trees in a...

Thank you for the PM. I do see the trees in a satellite view. Trees block TV signals:
http://www.hdtvprimer.com/antennas/siting.html
scroll down to Trees and UHF



A report from...
Forum: Help With Reception 7-Apr-2019, 8:26 PM
Replies: 43
Views: 1,369
Posted By rabbit73
I'm not sure I can be much help. WYJJ was...

I'm not sure I can be much help.

WYJJ was transmitting on real channel 27 with 10 kW ERP and a directional antenna. They were only sending 9 Watts in your direction....
Showing results 1 to 25 of 500

 

All times are GMT. The time now is 10:45 PM.


Powered by vBulletin® Version 3.8.8
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
Copyright © TV Fool, LLC