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Search: Posts Made By: rabbit73
Forum: Help With Reception 18-Oct-2020, 12:28 AM
Replies: 10
Views: 1,521
Posted By rabbit73
To check the RCA, you have to make some voltage...

To check the RCA, you have to make some voltage measurements.

First you check the voltage coming out of the power inserter without the preamp connected:
...
Forum: Help With Reception 17-Oct-2020, 1:14 AM
Replies: 62
Views: 7,942
Posted By rabbit73
I did some additional tests with the SDRplay...

I did some additional tests with the SDRplay RSP1A and the RSP Spectrum Analyser (British spelling) software.

It seems that it is necessary to properly set the Reference level of the RSP Spectrum...
Forum: Antennas 15-Oct-2020, 7:29 PM
Replies: 4
Views: 967
Posted By rabbit73
Hello, mrlewp87; welcome to the forum. Most...

Hello, mrlewp87; welcome to the forum.

Most new members have to wait a long time to have permission to post. It's difficult to say if you actually have full permission now.

I don't see any...
Forum: Help With Reception 15-Oct-2020, 7:11 PM
Replies: 16
Views: 6,255
Posted By rabbit73
Thank you for the rabbitears.info signal report....

Thank you for the rabbitears.info signal report. That looks like a slightly different location than your TVFool report.
That doesn't sound like an optimum arrangement; you will just have to try it...
Forum: Help With Reception 14-Oct-2020, 1:11 AM
Replies: 8
Views: 455
Posted By rabbit73
You can use a UVSJ to combine your UHF TV signals...

You can use a UVSJ to combine your UHF TV signals with your 137 MHz signals.

http://forum.tvfool.com/attachment.php?attachmentid=3914&d=1602638327

The UVSJ will pass 137 MHz signals on the VHF...
Forum: Special Topics 11-Oct-2020, 1:47 AM
Replies: 1
Views: 1,022
Posted By rabbit73
Hello, ERINLAINE The signals at each of the...

Hello, ERINLAINE

The signals at each of the four outputs will be approx 8 dB stronger than when they entered the distribution amp, whether a TV is off or on.

If one of the output ports isn't...
Forum: Connecting with an Installer 30-Sep-2020, 2:04 AM
Replies: 1
Views: 1,217
Posted By rabbit73
This is a current signal report for your...

This is a current signal report for your location:
https://www.rabbitears.info/searchmap.php?request=result&study_id=156631

WFXT Fox will be difficult for you to receive.

You have two strikes...
Forum: Help With Reception 27-Sep-2020, 10:56 PM
Replies: 153
Views: 24,151
Posted By rabbit73
Yes, it is. ...

Yes, it is.

http://forum.tvfool.com/attachment.php?attachmentid=3901&d=1601248023


Did you see this thread by BigHenry? He has a CM5020 and had balun problems....
Forum: Help With Reception 26-Sep-2020, 11:59 PM
Replies: 153
Views: 24,151
Posted By rabbit73
You would only need an LTE filter if you had...

You would only need an LTE filter if you had strong local cellular signals that are causing interference.

I have cellular/LTE signals where TV channels 39 and 40 used to be, but they are not...
Forum: Help With Reception 26-Sep-2020, 11:51 PM
Replies: 153
Views: 24,151
Posted By rabbit73
The CM 5020 antenna will pick up UHF channels,...

The CM 5020 antenna will pick up UHF channels, but if you are combining your CM antenna with your UHF antenna using a UVSJ, the UVSJ will block any UHF channels coming from the CM antenna.
Forum: Help With Reception 26-Sep-2020, 10:01 PM
Replies: 62
Views: 7,942
Posted By rabbit73
Review of Toner 0-20 dB Variable Attenuator ...

Review of Toner 0-20 dB Variable Attenuator

I ordered two of the Toner attenuators in case one was defective. One of them had a coax connector with insulation that hadn't been completely removed,...
Forum: Help With Reception 26-Sep-2020, 1:34 AM
Replies: 153
Views: 24,151
Posted By rabbit73
Yes, it is; you have to do it just right. ...

Yes, it is; you have to do it just right.

WTAE is listed as a Tropo channel. Atmospheric changes will affect the signal.

http://forum.tvfool.com/attachment.php?attachmentid=3892&d=1601083983
...
Forum: Help With Reception 25-Sep-2020, 10:50 PM
Replies: 153
Views: 24,151
Posted By rabbit73
Here is a current report for blackstone, unless...

Here is a current report for blackstone, unless he has moved:
https://www.rabbitears.info/searchmap.php?request=result&study_id=154710
...
Forum: Help With Reception 21-Sep-2020, 5:43 PM
Replies: 62
Views: 7,942
Posted By rabbit73
Using an Attenuator to Measure the Strength of a Digital TV Signal, Part 2

Using an Attenuator to Measure the Strength of a Digital TV Signal, Part 2

I ordered a Mediasonic HW-150PVR and a Toner 0-20 dB Variable Attenuator to see how they would do at estimating the...
Forum: Help With Reception 15-Sep-2020, 7:02 PM
Replies: 62
Views: 7,942
Posted By rabbit73
Congratulations! A little late, but they...

Congratulations!

A little late, but they finally got to you.



Ha Ha, that's a good one.:)

Welcome, verder; you are now "somebody" on the TVFool website.
Forum: Help With Reception 14-Sep-2020, 9:50 PM
Replies: 62
Views: 7,942
Posted By rabbit73
Without elevating things above the tree-line, I'm...

Without elevating things above the tree-line, I'm thinking this is as good as things are going to get for me. A CS2M may help out with KVRR reception... I'd most likely remove the splitter or go...
Forum: Help With Reception 14-Sep-2020, 7:27 PM
Replies: 62
Views: 7,942
Posted By rabbit73
I was wondering why Tablo support thinks your...

I was wondering why Tablo support thinks your signals are too strong. This seems to answer the question:
Getting Technical with Over-the-Air TV Reception (AKA: Why Canít I Watch This Channel?)...
Forum: Help With Reception 14-Sep-2020, 5:15 PM
Replies: 62
Views: 7,942
Posted By rabbit73
I hope that they will take your request seriously...

I hope that they will take your request seriously enough to give you some useful help.

The CS 2MAX does have a wider beamwidth but a little less gain. Difficult to predict the results of a test.
...
Forum: Help With Reception 14-Sep-2020, 5:09 PM
Replies: 62
Views: 7,942
Posted By rabbit73
It still functions. I get ghost spikes now is...

It still functions. I get ghost spikes now is the problem.

SNR meter plugin is a non-issue. As mentioned previously, the ghost spikes occur on completely separate machines with their own...
Forum: Help With Reception 13-Sep-2020, 6:53 PM
Replies: 62
Views: 7,942
Posted By rabbit73
The only dB scale on an SDR that I have...

The only dB scale on an SDR that I have confidence in is the dBm calibrated scale for the RSP1a with SDRuno software. I used it during the above test.

https://i.imgur.com/I2S4W8l.jpg
...
Forum: Help With Reception 13-Sep-2020, 5:51 PM
Replies: 62
Views: 7,942
Posted By rabbit73
Using an Attenuator to Measure the Strength of a Digital TV Signal

Here is an example of using an attenuator to measure the strength of a digital TV signal. I picked RF channel 20 to measure.

https://i.imgur.com/IVd22XT.jpg

This is my signal report in dBm:...
Forum: Help With Reception 13-Sep-2020, 3:24 AM
Replies: 62
Views: 7,942
Posted By rabbit73
I am working on a method of measuring the...

I am working on a method of measuring the strength of a TV signal using only the TV tuner and an attenuator. It should help verder to be able to measure the strength of his strongest signal which...
Forum: Help With Reception 12-Sep-2020, 10:41 PM
Replies: 62
Views: 7,942
Posted By rabbit73
There appears to be spurs in all three of my...

There appears to be spurs in all three of my scanners, but it's not unexpected in equipment that isn't lab grade. I would need a pure source to really tell the spurs from actual signals.

The...
Forum: Help With Reception 12-Sep-2020, 1:23 AM
Replies: 62
Views: 7,942
Posted By rabbit73
That tells you the attenuator is making the...

That tells you the attenuator is making the signals weaker, but you don't yet know if reducing the signal strength reduces the dropouts and pixelation.
Forum: Help With Reception 12-Sep-2020, 12:55 AM
Replies: 62
Views: 7,942
Posted By rabbit73
You tried an attenuator, and it didn't help with...

You tried an attenuator, and it didn't help with the ghost artifact or dropouts, did it? You could try more attenuation.

There are two CM LTE filters with the same model number CM-3201. You would...
Showing results 1 to 25 of 500

 

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