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Search: Posts Made By: Tower Guy
Forum: Help With Reception 6-Dec-2020, 1:26 PM
Replies: 22
Views: 3,622
Posted By Tower Guy
Saturday was a day with conditions favorable for...

Saturday was a day with conditions favorable for enhanced reception from Little Rock.

https://dxinfocentre.com/tropo.html
Forum: Help With Reception 5-Dec-2020, 7:55 PM
Replies: 22
Views: 3,622
Posted By Tower Guy
If I lived there I’d try for some of the...

If I lived there I’d try for some of the Springfield stations. 19 & 22 look the most promising and would grab three major networks on two stations.

I feel that the best antenna for those channels...
Forum: Help With Reception 4-Dec-2020, 7:41 PM
Replies: 22
Views: 3,622
Posted By Tower Guy
Hey Rabbit. If you extend to 100 miles on the...

Hey Rabbit. If you extend to 100 miles on the rabbitears prediction, what does KOLR look like?
Forum: Help With Reception 21-Nov-2020, 10:26 PM
Replies: 4
Views: 1,295
Posted By Tower Guy
Almost everything. The TVfool database is out of...

Almost everything. The TVfool database is out of date. Daystar has moved to a low band channel which you would not get with a UHF only antenna. Try rabbitears.info fir an up to date channel...
Forum: Help With Reception 20-Nov-2020, 10:22 PM
Replies: 4
Views: 1,295
Posted By Tower Guy
Any four bay bow tie will work fine. (DB-4 or...

Any four bay bow tie will work fine. (DB-4 or similar)

If you aim it between Dayton and Cincy, it should get both cities simultaneously.
Forum: Help With Reception 30-Oct-2020, 9:09 PM
Replies: 19
Views: 2,814
Posted By Tower Guy
The vertical spacing for the offset pair would be...

The vertical spacing for the offset pair would be the same as if they were not offset.

I taught myself these tricks in 1982 when I was attempting to pick up channel 13 from Albany, NY at a...
Forum: Help With Reception 30-Oct-2020, 8:05 PM
Replies: 19
Views: 2,814
Posted By Tower Guy
I would not bother trying a single antenna. The...

I would not bother trying a single antenna. The ATSC spec says that reception must work when the undesired adjacent channel is 30 dB stronger than the desired channel. In this case WCAX is 70 dB...
Forum: Help With Reception 29-Oct-2020, 6:15 PM
Replies: 19
Views: 2,814
Posted By Tower Guy
I think that CBFT and CBMT will be harder than...

I think that CBFT and CBMT will be harder than you realize. They are on channels 19 and 21. WCAX is on channel 20 and 70 dB stronger. That suggests that you need an antenna with an extreme side lobe...
Forum: Help With Reception 24-Oct-2020, 1:18 AM
Replies: 19
Views: 2,814
Posted By Tower Guy
Another approach is a Tablo tuner and a point to...

Another approach is a Tablo tuner and a point to point WiFi link
Forum: Help With Reception 23-Oct-2020, 9:45 PM
Replies: 19
Views: 2,814
Posted By Tower Guy
The FCC rules do not currently allow such...

The FCC rules do not currently allow such boosters.

The booster I built was on 2 GHz. 4’ dish on receive, 8’ dish on transmit, 70 dB isolation between antennas, 50 dB amplifier.

Without a...
Forum: Help With Reception 23-Oct-2020, 9:34 PM
Replies: 19
Views: 2,814
Posted By Tower Guy
Because you will also retransmit unintended...

Because you will also retransmit unintended things such as airplane navigation signals.
Forum: Help With Reception 23-Oct-2020, 8:00 PM
Replies: 19
Views: 2,814
Posted By Tower Guy
I have built such a repeater. You also need a...

I have built such a repeater. You also need a channel filter. The signals available on top of the mountain look like this.

https://www.rabbitears.info/searchmap.php?request=result&study_id=167161
Forum: Help With Reception 22-Oct-2020, 7:44 PM
Replies: 8
Views: 1,841
Posted By Tower Guy
There are two ways to look at the reception...

There are two ways to look at the reception ability of NextGen: This is my own calculation for comparison purposes only;

If the data rate remains the same as ATSC 1.0 at 19.4 mb/s, the digital...
Forum: Help With Reception 18-Oct-2020, 6:13 PM
Replies: 12
Views: 13,031
Posted By Tower Guy
I’d suggest “stretch and seal” or similar tape....

I’d suggest “stretch and seal” or similar tape. It sticks to itself and water can’t get in.

Duct tape can be porous.
Forum: Help With Reception 13-Oct-2020, 2:20 PM
Replies: 8
Views: 1,360
Posted By Tower Guy
I am not aware of any off the shelf combiners for...

I am not aware of any off the shelf combiners for the satellite band and high band VHF TV. You could try receiving satellite signals on a VHF TV antenna.

What is the channel of the TV station...
Forum: Help With Reception 12-Oct-2020, 11:11 PM
Replies: 8
Views: 1,360
Posted By Tower Guy
If all of your TV channels are on UHF, (14-36);...

If all of your TV channels are on UHF, (14-36); you may use a UVSJ to combine 137 MHz with the DB-8.
Forum: Help With Reception 3-Oct-2020, 1:27 AM
Replies: 14
Views: 2,531
Posted By Tower Guy
ANT 751 or the current variation of that old...

ANT 751 or the current variation of that old number.
Forum: Help With Reception 2-Oct-2020, 9:47 PM
Replies: 14
Views: 2,531
Posted By Tower Guy
Take a look at your Rabbitears report ...

Take a look at your Rabbitears report
https://www.rabbitears.info/searchmap.php?request=result&study_id=158020

WGBH is now on VHF low band. You need a large VHF low antenna properly aimed at...
Forum: Help With Reception 11-Sep-2020, 6:22 PM
Replies: 90
Views: 16,288
Posted By Tower Guy
Holland’s is correct, but note that he started...

Holland’s is correct, but note that he started with two signals already, so add 6 dB to his numbers to get the Peak power ratio to a single signal.
Forum: Help With Reception 10-Sep-2020, 3:13 AM
Replies: 90
Views: 16,288
Posted By Tower Guy
Overload can get very tricky. When calculating...

Overload can get very tricky. When calculating the cumulative level of multiple signals you add the peak voltages together (not the RMS) to get the peak voltage, and then calculate the peak power...
Forum: Help With Reception 5-Sep-2020, 9:10 PM
Replies: 5
Views: 1,420
Posted By Tower Guy
The signals that you see on the VHF scan are...

The signals that you see on the VHF scan are second harmonics of the FM band. The strongest signal is twice the frequency of WGYL (93.7) I’d assume that something is overdriven and/or the gain is...
Forum: Help With Reception 29-Jul-2020, 7:17 PM
Replies: 7
Views: 7,715
Posted By Tower Guy
Does Frontier FIOS allow the addition of your own...

Does Frontier FIOS allow the addition of your own MOCA adapters? My son-in-law has Verizon FIOS, and they use MOCA to their own set--top boxes as WiFi extenders. He replaced all his TV equipment to...
Forum: Help With Reception 29-Jul-2020, 7:10 PM
Replies: 7
Views: 7,715
Posted By Tower Guy
Your plan to add MOCA to your existing set-up is...

Your plan to add MOCA to your existing set-up is a good idea. The MOCA distribution amp that you found would work fine, or you could simply add a MOCA filter between the distribution amplifier and...
Forum: Help With Reception 20-Jun-2020, 5:54 PM
Replies: 35
Views: 10,051
Posted By Tower Guy
EMT works fine for very short masts. For longer...

EMT works fine for very short masts. For longer masts top rail is preferred. This is because the steel used in EMT has a yield strength of 30,000 PSI. The steel in top rail is rated at 50,000 PSI.
...
Forum: Help With Reception 15-Jun-2020, 3:03 PM
Replies: 35
Views: 10,051
Posted By Tower Guy
You can use chain link fence top rail as a mast....

You can use chain link fence top rail as a mast. Available at the big box hardware stores. You can use either an eave mount or a wall mount bracket into the wall below the eave.
Showing results 1 to 25 of 500

 

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