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Search: Posts Made By: Tower Guy
Forum: Help With Reception 9-Nov-2019, 7:02 PM
Replies: 6
Views: 587
Posted By Tower Guy
In your case I’d try an Antennas Direct 2MAX and...

In your case I’d try an Antennas Direct 2MAX and couple it to your existing 751 using your preamp as a combiner. The 2MAX is bidirectional and should get most of your UHF stations well. I believe...
Forum: Antennas 9-Nov-2019, 6:50 PM
Replies: 35
Views: 5,333
Posted By Tower Guy
You may use any reasonable gap that is convenient.

You may use any reasonable gap that is convenient.
Forum: Antennas 8-Nov-2019, 6:24 PM
Replies: 35
Views: 5,333
Posted By Tower Guy
The driven element is fed in the center.

The driven element is fed in the center.
Forum: Antennas 7-Nov-2019, 9:01 PM
Replies: 35
Views: 5,333
Posted By Tower Guy
I did this 4 element design for channel 6 using...

I did this 4 element design for channel 6 using EZ-NEC:

3/8" diameter elements.

Reflector length 71.6"
Driven length 72.4"
Director #1 61.2"
Director #2 57"

spacing
Forum: Antennas 4-Nov-2019, 9:06 PM
Replies: 35
Views: 5,333
Posted By Tower Guy
Hi eggman. What material would you like to...

Hi eggman.

What material would you like to use to build your channel 6 yagi?

I did a design that uses 3/4” hardline from a CATV scrap pile for the elements. I’ll send you the dimensions if you...
Forum: Help With Reception 30-Oct-2019, 3:19 PM
Replies: 9
Views: 652
Posted By Tower Guy
If you want more reliability you need more...

If you want more reliability you need more antenna gain. One way to go would be to construct a gang of four 91 XG antennas. That will help the UHF stations. It would not help WJBK.

More info...
Forum: Help With Reception 17-Oct-2019, 4:51 PM
Replies: 15
Views: 1,388
Posted By Tower Guy
Hey Joe; The repack did allow WPXJ to move...

Hey Joe;

The repack did allow WPXJ to move from Batavia to Buffalo. The adjacent channels in Toronto will be tough for those close to the CN tower.

A trick to reduce the adjacent channel...
Forum: Help With Reception 25-Sep-2019, 8:02 PM
Replies: 4
Views: 483
Posted By Tower Guy
I would start with diagnosing for a basic system...

I would start with diagnosing for a basic system failure.
Things to consider are:
Water in coax
Bad balun
Proper assembly of the antenna
Crushed coax
Faulty F connector

If these are OK,...
Forum: Help With Reception 23-Sep-2019, 9:22 PM
Replies: 3
Views: 855
Posted By Tower Guy
Here is KIRO’s application for reduced power...

Here is KIRO’s application for reduced power during the repack transition:
https://enterpriseefiling.fcc.gov/dataentry/api/download/attachment/25076f916c250944016c44a0b41c4851

KING and KOMO are...
Forum: TV Fool Discussion / Database Updates 20-Sep-2019, 11:57 PM
Replies: 4
Views: 1,565
Posted By Tower Guy
Reason for temporary antenna on channel 48: ...

Reason for temporary antenna on channel 48:

https://enterpriseefiling.fcc.gov/dataentry/api/download/attachment/25076ff36d2da475016d3bdf49f70ab4

Detailed antenna information for interim...
Forum: Antennas 15-Sep-2019, 6:16 PM
Replies: 4
Views: 2,454
Posted By Tower Guy
They are narrowband antennas. They can receive TV...

They are narrowband antennas. They can receive TV signals but a real TV antenna would outperform them.
Forum: Antennas 15-Sep-2019, 6:15 PM
Replies: 4
Views: 2,454
Posted By Tower Guy
The big antenna;...

The big antenna; https://www.dxengineering.com/parts/csh-a17b2?seid=dxese1&gclid=EAIaIQobChMIncez76nT5AIVeh-tBh23nAJgEAQYAiABEgKiq_D_BwE
Forum: Antennas 11-Sep-2019, 8:25 PM
Replies: 4
Views: 2,454
Posted By Tower Guy
Those are amateur radio antennas. The bottom...

Those are amateur radio antennas.
The bottom antenna is a 3 element yagi for 50 MHz (just below channel 2)
The middle antenna is for 144 MHz. (That’s above the aircraft band but below channel 7) ...
Forum: Help With Reception 4-Sep-2019, 7:01 PM
Replies: 12
Views: 2,653
Posted By Tower Guy
Tilting an antenna upwards may gain about a db. ...

Tilting an antenna upwards may gain about a db. Theoretically, installing an antenna at the optimum height can gain as much as 6 dB. If the antenna happens to be at the worst height where it is...
Forum: Help With Reception 31-Aug-2019, 5:01 PM
Replies: 12
Views: 2,653
Posted By Tower Guy
One additional caveat is that there is a...

One additional caveat is that there is a transmitting antenna issue effecting several of the Boston UHF stations. I’d try rescanning multiple times over a several week period before I considered...
Forum: Help With Reception 31-Aug-2019, 4:56 PM
Replies: 12
Views: 2,653
Posted By Tower Guy
Since you last tried WFXT has moved from channel...

Since you last tried WFXT has moved from channel 31 to channel 34. I believe that they also moved to another tower.
This link has your updated info:...
Forum: Help With Reception 26-Aug-2019, 4:16 PM
Replies: 29
Views: 3,764
Posted By Tower Guy
The stacker is a good antenna, but it is not...

The stacker is a good antenna, but it is not optimum for you. Yes, you need to add VHF ability to your existing UHF antenna, but you need your VHF and UHF antennas aimed in different directions....
Forum: Help With Reception 13-Aug-2019, 6:39 PM
Replies: 13
Views: 1,657
Posted By Tower Guy
I believe that you’ve chosen a workable antenna...

I believe that you’ve chosen a workable antenna for your location. I can’t predict if it will get every channel you want. If you have troubles, be sure to try different heights and/or locations on...
Forum: Help With Reception 12-Aug-2019, 4:32 PM
Replies: 16
Views: 1,782
Posted By Tower Guy
Another way to increase the signal on low band...

Another way to increase the signal on low band VHF is to raise the antenna. This also places the antenna further from interference from inside the house.

Low band VHF seldom needs a preamp, so be...
Forum: Help With Reception 6-Aug-2019, 1:22 PM
Replies: 6
Views: 776
Posted By Tower Guy
To me it looks like a knock-off of the Winegard...

To me it looks like a knock-off of the Winegard HD-7010.

Click the "SPECS" tab on the following link for a good approximation of performance.

https://www.solidsignal.com/pview.asp?p=hd-7010
Forum: Help With Reception 30-Jul-2019, 8:35 PM
Replies: 22
Views: 1,838
Posted By Tower Guy
I love that plan. You’d get to root for the...

I love that plan. You’d get to root for the Buffalo Bills every Sunday!
Forum: Help With Reception 26-Jul-2019, 6:31 PM
Replies: 26
Views: 4,555
Posted By Tower Guy
Note that the HD Stacker is also rated for FM...

Note that the HD Stacker is also rated for FM reception. It would also get all of the Atlanta TV stations.
Forum: Help With Reception 12-Jul-2019, 2:53 PM
Replies: 4
Views: 682
Posted By Tower Guy
I would suggest the C2MAX for your location.

I would suggest the C2MAX for your location.
Forum: Help With Reception 4-Jul-2019, 1:15 AM
Replies: 32
Views: 4,770
Posted By Tower Guy
I’m thinking that a Winegard HD 7694P or HD7698P...

I’m thinking that a Winegard HD 7694P or HD7698P with a preamp.
Forum: Special Topics 14-Jun-2019, 10:56 AM
Replies: 21
Views: 6,991
Posted By Tower Guy
I agree that the problem is likely spurious...

I agree that the problem is likely spurious signals caused by the three strong signals created by the modulator. I don’t know if the problem is internal to the modulator or caused by excessive...
Showing results 1 to 25 of 500

 

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