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Search: Posts Made By: rabbit73
Forum: Help With Reception Today, 1:34 AM
Replies: 141
Views: 22,193
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 Yesterday, 10:50 PM
Replies: 141
Views: 22,193
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: 60
Views: 6,776
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: 60
Views: 6,776
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: 60
Views: 6,776
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: 60
Views: 6,776
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: 60
Views: 6,776
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: 60
Views: 6,776
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: 60
Views: 6,776
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: 60
Views: 6,776
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: 60
Views: 6,776
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: 60
Views: 6,776
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: 60
Views: 6,776
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: 60
Views: 6,776
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...
Forum: Help With Reception 11-Sep-2020, 11:16 PM
Replies: 60
Views: 6,776
Posted By rabbit73
The Mediasonic is telling you the truth. ...

The Mediasonic is telling you the truth.

When it goes to 0% signal quality, there are more errors than the FEC (Forward Error Correction) is able to correct. The FEC has a limit to its ability to...
Forum: Help With Reception 11-Sep-2020, 7:17 PM
Replies: 60
Views: 6,776
Posted By rabbit73
Thank you. 73 post by majortom about 1/4...

Thank you.
73

post by majortom about 1/4 wave stubs
use 7th harmonic
https://www.digitalhome.ca/threads/on-hamilton-stoney-creek-brantford-haldimand.36535/post-3109007
Forum: Help With Reception 11-Sep-2020, 6:45 PM
Replies: 60
Views: 6,776
Posted By rabbit73
Good to hear from you. The OP and I are both...

Good to hear from you.

The OP and I are both interested in SDRs as a diagnostic tool. I see no harm in a brief response.

The dynamic range of the SDR is determined by the bit depth of the ADC...
Forum: Help With Reception 11-Sep-2020, 2:21 AM
Replies: 60
Views: 6,776
Posted By rabbit73
Measuring Signal Margin to Dropout

When digital TV arrived, I was looking for an inexpensive way to measure the strength of digital TV signals. Signal level meters are made for the task, but they cost more than most people want to...
Forum: Help With Reception 11-Sep-2020, 12:11 AM
Replies: 60
Views: 6,776
Posted By rabbit73
Your comments about the Mediasonic converter box...

Your comments about the Mediasonic converter box made we wonder about how it would compare with the HDHR at weak-signal dropout.

Tyler the Antenna Man did two reviews about converter boxes, the...
Forum: Help With Reception 10-Sep-2020, 6:26 PM
Replies: 60
Views: 6,776
Posted By rabbit73
I owe you an apology. I have been dumping a lot...

I owe you an apology. I have been dumping a lot of technical information on you without knowing your background, but you seemed to be interested in learning more.

I should have shown the math to...
Forum: Help With Reception 10-Sep-2020, 2:04 PM
Replies: 60
Views: 6,776
Posted By rabbit73
Good point. I would hope that the...

Good point.

I would hope that the engineers that wrote the ATSC specs took that into consideration, but maybe they didn't.

This part was added by holl_ands, who does modeling and is an RF...
Forum: Help With Reception 9-Sep-2020, 10:17 PM
Replies: 60
Views: 6,776
Posted By rabbit73
Yes, unfortunate. If it had a GUI that gave that...

Yes, unfortunate. If it had a GUI that gave that information, more peole would buy it.

Indeed.

To give you a feeling for signal levels, here is your report in dBm:...
Forum: Help With Reception 9-Sep-2020, 5:46 PM
Replies: 60
Views: 6,776
Posted By rabbit73
That IS interesting. How did they know how strong...

That IS interesting. How did they know how strong your signals are, did you give them a signal report?
https://www.rabbitears.info/searchmap.php?request=result&study_id=143302
...
Forum: Help With Reception 8-Sep-2020, 1:17 AM
Replies: 60
Views: 6,776
Posted By rabbit73
Thank you for the images and the detailed...

Thank you for the images and the detailed explanation.

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

https://i.imgur.com/UO1EckC.jpg

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


It appears to be an artifact that...
Forum: Help With Reception 7-Sep-2020, 2:41 PM
Replies: 60
Views: 6,776
Posted By rabbit73
Sorry, I got a little ahead of you. I like my...

Sorry, I got a little ahead of you. I like my HDHR4-2US (the gray one); I avoided the 4-tuner models.

The signal quality reading from your MediaSonic tuner should help. At what percent reading...
Showing results 1 to 25 of 500

 

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