Forum: Help With Reception
22-Jan-2021, 2:38 PM
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Replies: 8
Views: 640
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Forum: Help With Reception
6-Dec-2020, 1:26 PM
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Replies: 22
Views: 3,746
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Forum: Help With Reception
5-Dec-2020, 7:55 PM
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Replies: 22
Views: 3,746
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...
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Forum: Help With Reception
4-Dec-2020, 7:41 PM
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Replies: 22
Views: 3,746
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Forum: Help With Reception
21-Nov-2020, 10:26 PM
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Replies: 4
Views: 1,347
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Forum: Help With Reception
20-Nov-2020, 10:22 PM
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Replies: 4
Views: 1,347
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Forum: Help With Reception
30-Oct-2020, 9:09 PM
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Replies: 19
Views: 2,893
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Forum: Help With Reception
30-Oct-2020, 8:05 PM
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Replies: 19
Views: 2,893
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Forum: Help With Reception
29-Oct-2020, 6:15 PM
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Replies: 19
Views: 2,893
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...
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Forum: Help With Reception
24-Oct-2020, 1:18 AM
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Replies: 19
Views: 2,893
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Forum: Help With Reception
23-Oct-2020, 9:45 PM
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Replies: 19
Views: 2,893
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...
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Forum: Help With Reception
23-Oct-2020, 9:34 PM
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Replies: 19
Views: 2,893
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Forum: Help With Reception
23-Oct-2020, 8:00 PM
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Replies: 19
Views: 2,893
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
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Forum: Help With Reception
22-Oct-2020, 7:44 PM
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Replies: 8
Views: 1,888
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...
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Forum: Help With Reception
18-Oct-2020, 6:13 PM
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Replies: 12
Views: 13,140
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Forum: Help With Reception
13-Oct-2020, 2:20 PM
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Replies: 8
Views: 1,413
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Forum: Help With Reception
12-Oct-2020, 11:11 PM
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Replies: 8
Views: 1,413
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Forum: Help With Reception
3-Oct-2020, 1:27 AM
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Replies: 14
Views: 2,610
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Forum: Help With Reception
2-Oct-2020, 9:47 PM
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Replies: 14
Views: 2,610
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...
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Forum: Help With Reception
11-Sep-2020, 6:22 PM
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Replies: 90
Views: 16,648
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Forum: Help With Reception
10-Sep-2020, 3:13 AM
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Replies: 90
Views: 16,648
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...
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Forum: Help With Reception
5-Sep-2020, 9:10 PM
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Replies: 5
Views: 1,469
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...
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Forum: Help With Reception
29-Jul-2020, 7:17 PM
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Replies: 7
Views: 7,759
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Forum: Help With Reception
29-Jul-2020, 7:10 PM
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Replies: 7
Views: 7,759
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Forum: Help With Reception
20-Jun-2020, 5:54 PM
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Replies: 35
Views: 10,156
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.
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