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Search: Posts Made By: Tim
Forum: Help With Reception 6-Dec-2019, 5:39 PM
Replies: 16
Views: 293
Posted By Tim
Rain in a PC board balun will definitely cause...

Rain in a PC board balun will definitely cause signal loss. I had it happen on another antenna, not the CM-5020. The bad thing about water intrusion into the balun is that it is then possible for the...
Forum: Antennas 1-Dec-2019, 7:20 PM
Replies: 39
Views: 6,886
Posted By Tim
I can't answer your question about diameter with...

I can't answer your question about diameter with a formula or antenna modeling facts, but from practical experience building ham radio antennas, I would suspect that making your tubing diameter...
Forum: Antennas 7-Nov-2019, 6:47 PM
Replies: 39
Views: 6,886
Posted By Tim
A RabbitEars report would be helpful and that...

A RabbitEars report would be helpful and that information is much more up to date.
https://www.rabbitears.info/searchmap.php
Forum: Antennas 4-Nov-2019, 3:08 AM
Replies: 39
Views: 6,886
Posted By Tim
I don't know how far you are from the antenna,...

I don't know how far you are from the antenna, but you could try a simple dipole antenna for 85 MHz. Each leg should be about 2.75 ft in length. You could feed it directly with RG-6.

Or if you...
Forum: Help With Reception 1-Nov-2019, 7:08 PM
Replies: 15
Views: 2,919
Posted By Tim
Or a custom combiner designed for the channels at...

Or a custom combiner designed for the channels at your location. There is a seller on eBay (jan_jenca) who makes and sells them at reasonable prices.
Forum: Help With Reception 24-Oct-2019, 6:25 PM
Replies: 2
Views: 397
Posted By Tim
My opinion is that the industry leader for...

My opinion is that the industry leader for coaxial cable is Belden. Whatever you buy, just make sure the specs say the jacket is UV resistant. (By the way some people think that RG-6U in the coax...
Forum: Help With Reception 18-Oct-2019, 8:31 PM
Replies: 9
Views: 1,682
Posted By Tim
When they swapped to the temporary tower, the...

When they swapped to the temporary tower, the signal here went from marginal to great. Hopefully when they move to the new antenna at the original tower location we'll all be able to get a great...
Forum: Help With Reception 17-Oct-2019, 2:05 AM
Replies: 15
Views: 1,720
Posted By Tim
I was wondering how the repack would affect...

I was wondering how the repack would affect adjacent channels in my market. We have stations on channels 18 & 19 as well as on 31 & 32...all located on the same tower. No problems at all so far.
Forum: Help With Reception 11-Oct-2019, 1:59 AM
Replies: 9
Views: 1,267
Posted By Tim
Maybe you are experiencing some type of...

Maybe you are experiencing some type of electrical interference that is affecting channel 13. Some culprits include LED bulbs and switching type power supplies. A friend had an outdoor LED floodlight...
Forum: Help With Reception 25-Sep-2019, 7:33 PM
Replies: 4
Views: 603
Posted By Tim
Have you tried just one TV as close to the...

Have you tried just one TV as close to the antenna as you can get with no amplification? With maybe just 25 ft or so of coax cable? That would give you an initial baseline to start from. (I had to...
Forum: Help With Reception 9-Sep-2019, 10:02 PM
Replies: 9
Views: 1,682
Posted By Tim
Well, that explains why I am getting such a good...

Well, that explains why I am getting such a good signal now...they are using the same tower as many of the other Atlanta TV stations that I get so well. When they go back to the previous tower, the...
Forum: Help With Reception 9-Sep-2019, 4:55 AM
Replies: 9
Views: 1,682
Posted By Tim
Wow! I don't know where their alternate site is...

Wow! I don't know where their alternate site is but I am getting a super signal from them now compared to a month ago. WSB has always been borderline in the past. I wish they would stay where they...
Forum: Help With Reception 1-Sep-2019, 8:04 PM
Replies: 26
Views: 5,582
Posted By Tim
I would expect all of these antennas to be...

I would expect all of these antennas to be relatively similar in overall gain and performance. Of the antennas you mention, I think the two Channel Master products are the same. I have no experience...
Forum: Help With Reception 19-Aug-2019, 7:06 PM
Replies: 6
Views: 1,682
Posted By Tim
The two PBS stations carry quite a different...

The two PBS stations carry quite a different lineup of programming in Atlanta. As strong as WGTV is at his location, it is only 20 degrees off from the other stations downtown and he should most...
Forum: Help With Reception 16-Aug-2019, 10:20 PM
Replies: 6
Views: 1,682
Posted By Tim
He's going to need an antenna with VHF-Hi...

He's going to need an antenna with VHF-Hi coverage also...the NBC affiliate is on real channel 10 and the PBS affiliate is on real channel 8 (and will be moving to 7 during phase 10 of the repack)....
Forum: Help With Reception 12-Aug-2019, 7:20 PM
Replies: 16
Views: 1,921
Posted By Tim
Don't know who you have called there, but have...

Don't know who you have called there, but have you asked to speak to the chief engineer? That will be your best source for reliable information.
Forum: Help With Reception 11-Aug-2019, 10:59 PM
Replies: 16
Views: 1,921
Posted By Tim
Here is some insight about stations moving to VHF...

Here is some insight about stations moving to VHF
https://current.org/2017/04/prompted-by-auction-sales-moves-to-low-vhf-bring-both-challenges-and-advantages/
Forum: Antennas 11-Aug-2019, 9:26 PM
Replies: 49
Views: 44,625
Posted By Tim
Good advice. If your added ground rod, mast,...

Good advice. If your added ground rod, mast, coax, etc are all properly bonded back to the electrical service ground, then everything will be at the same electrical potential and all is well.
Forum: Antennas 11-Aug-2019, 2:46 AM
Replies: 49
Views: 44,625
Posted By Tim
To check for resistance between the ground rod...

To check for resistance between the ground rod and the earth? Not with a multimeter that I am aware of.

Do you have unusual soil conditions that you wary of your ground connection?
Forum: Antennas 23-Jul-2019, 5:34 PM
Replies: 49
Views: 44,625
Posted By Tim
A large static discharge is always going to take...

A large static discharge is always going to take the path to ground with the least amount of resistance. That is the reason for the large ground conductors going directly to the ground rod.

As far...
Forum: Help With Reception 22-Jul-2019, 6:52 PM
Replies: 8
Views: 1,457
Posted By Tim
You can install a 5/8" x 8' ground rod directly...

You can install a 5/8" x 8' ground rod directly below your antenna. Then you will need to connect the new ground rod to the ground rod at your service entrance using #4 solid copper wire. The new...
Forum: Help With Reception 15-Jul-2019, 4:09 AM
Replies: 4
Views: 1,238
Posted By Tim
I'm not an expert about the FCC repack of TV...

I'm not an expert about the FCC repack of TV channels, but from looking at the data on rabbitears.info, it looks like WVIZ is moving from real channel 26 to real channel 35. They are in phase 4 of...
Forum: Help With Reception 12-Jul-2019, 11:20 PM
Replies: 32
Views: 5,028
Posted By Tim
The conduit is about 33% thicker than the 18...

The conduit is about 33% thicker than the 18 gauge steel used in the TV masts...and the TV mast is certainly acceptable for most applications...I have a small VHF ham radio antenna mounted on top of...
Forum: Help With Reception 12-Jul-2019, 4:14 AM
Replies: 32
Views: 5,028
Posted By Tim
A 5' difference in height can sometimes mean all...

A 5' difference in height can sometimes mean all the difference in the world between a poor signal and a good signal. Every installation is different.

My mast material of choice is 1-1/4"...
Forum: Help With Reception 11-Jul-2019, 2:28 AM
Replies: 32
Views: 5,028
Posted By Tim
Many years ago I used some 6 inch lengths of...

Many years ago I used some 6 inch lengths of 1/16" thick pieces of 1-1/2" aluminum angle on the corners of of a stucco chimney and it worked fine. You can find it in your local big box home...
Showing results 1 to 25 of 196

 

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