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Search: Posts Made By: ADTech
Forum: Special Topics 19-Jan-2019, 1:25 PM
Replies: 9
Views: 7,201
Posted By ADTech
Solid Signal botched the "specifications" of the...

Solid Signal botched the "specifications" of the UHF Yagi. Here's the specifications from the Chinese manufacturer: http://www.qiaohua.com/products/av-91xu.htm All they would have had to do was...
Forum: Help With Reception 4-Jan-2019, 2:10 PM
Replies: 13
Views: 1,045
Posted By ADTech
If the problems are with UHF signals that should...

If the problems are with UHF signals that should be of adequate strength and when the wind blows, the underlying problem is always due to trees.

The only 100% reliable solution to tree-related...
Forum: Help With Reception 23-Dec-2018, 3:06 AM
Replies: 11
Views: 1,611
Posted By ADTech
The CM7777 is the amp MOST likely to cause...

The CM7777 is the amp MOST likely to cause problems due to its excessive gain. We run into it every week, it seems. Too many folks that more gain is better then they call US to troubleshoot the...
Forum: Help With Reception 20-Dec-2018, 11:32 PM
Replies: 13
Views: 1,333
Posted By ADTech
The CPA19 is fine as long as it's good. If you...

The CPA19 is fine as long as it's good. If you use it, no distribution amp is needed.
Forum: Help With Reception 18-Dec-2018, 1:18 AM
Replies: 13
Views: 1,333
Posted By ADTech
I'd also HIGHLY recommend skipping the high-gain...

I'd also HIGHLY recommend skipping the high-gain amplifier. According to the plot, you have broadcast towers only a few miles away and the 7777 is virtually guaranteed to cause overloading issues.
Forum: General Site Feedback / Discussion 7-Nov-2018, 3:56 PM
Replies: 13
Views: 11,267
Posted By ADTech
I would recommend following the advice of the...

I would recommend following the advice of the electrician friend assuming he's going to assume the liability for any work he does and that it will meet all national and local (if any) codes.
Forum: Special Topics 28-Oct-2018, 2:09 PM
Replies: 4
Views: 732
Posted By ADTech
The first sentence, on its face, appears to be in...

The first sentence, on its face, appears to be in violation of the FCC rules because it requires pre-approval (prohibited).



See...
Forum: Special Topics 26-Oct-2018, 2:20 PM
Replies: 9
Views: 7,201
Posted By ADTech
Check the rotor's specifications for the maximum...

Check the rotor's specifications for the maximum length of the stub mast. Light-duty rotors will severely restrict the length of that mast so as to limit the lateral loading on the bearings of the...
Forum: Help With Reception 19-Oct-2018, 11:45 PM
Replies: 4
Views: 934
Posted By ADTech
Your splitters only need to cover up to 700 MHz,...

Your splitters only need to cover up to 700 MHz, the current limit of broadcast television signals. There is no need to replace them just for the frequency rating you indicated.


If you have the...
Forum: Help With Reception 17-Oct-2018, 9:58 PM
Replies: 12
Views: 1,493
Posted By ADTech
Absolutely. See it all the time. It's the "If a...

Absolutely. See it all the time. It's the "If a little bit of amplification is good, then more must be better" theory.
Forum: Help With Reception 17-Oct-2018, 4:09 PM
Replies: 12
Views: 1,493
Posted By ADTech
Don't know what you read, but it was either wrong...

Don't know what you read, but it was either wrong or taken out of its proper context. It is necessary, occasionally, to operate at reduced power or from an auxiliary antenna or facility due to...
Forum: TV Fool Discussion / Database Updates 10-Oct-2018, 12:09 PM
Replies: 1
Views: 1,949
Posted By ADTech
Construction permit was issued but never built.

Construction permit was issued but never built.
Forum: Help With Reception 10-Oct-2018, 12:11 AM
Replies: 6
Views: 1,555
Posted By ADTech
How are they connected to the preamp and how is...

How are they connected to the preamp and how is the preamp configured?
Forum: Help With Reception 7-Oct-2018, 10:41 PM
Replies: 6
Views: 1,555
Posted By ADTech
There's really no such thing as an "analog"...

There's really no such thing as an "analog" antenna, they're mostly agnostic as to whether the signals are analog or digital. What is important is to match up the the frequency response, pattern,...
Forum: Help With Reception 4-Oct-2018, 5:36 PM
Replies: 17
Views: 2,176
Posted By ADTech
Electrical codes states "at or near the point of...

Electrical codes states "at or near the point of entry" to the structure.
Forum: Help With Reception 2-Oct-2018, 9:08 PM
Replies: 6
Views: 1,555
Posted By ADTech
Under specific conditions, a paper clip can pick...

Under specific conditions, a paper clip can pick up signals from that distance.


Sort of, depends on the actual design of the antenna.


Post the TVFool link for your exact location and...
Forum: Help With Reception 2-Oct-2018, 1:13 PM
Replies: 4
Views: 895
Posted By ADTech
You do not need power for an antenna-mounted amp...

You do not need power for an antenna-mounted amp at the antenna's location, power is fed up the coax from the other end.

Do you have the C4 or the C4V? Both models have been and continue to be...
Forum: Help With Reception 26-Sep-2018, 11:15 PM
Replies: 106
Views: 25,341
Posted By ADTech
Check their Facebook page or website...

Check their Facebook page or website...
Forum: Help With Reception 26-Sep-2018, 9:42 PM
Replies: 14
Views: 1,760
Posted By ADTech
It all depends on what VHF stations you're trying...

It all depends on what VHF stations you're trying to receive.
Forum: Help With Reception 26-Sep-2018, 9:40 PM
Replies: 5
Views: 1,206
Posted By ADTech
Actually, that's a mis-statement of how it works,...

Actually, that's a mis-statement of how it works, it's pretty much an over-simplification.

A low-noise pre-amp's input noise figure would substitute for the combined insertion loss of the...
Forum: Help With Reception 26-Sep-2018, 9:31 PM
Replies: 14
Views: 1,760
Posted By ADTech
It all depends... Using separates allows...

It all depends...


Using separates allows you to customize to a greater degree while the combos are generally pretty limited as to what the relative antenna sections' performance might be.

...
Forum: Help With Reception 25-Sep-2018, 6:08 PM
Replies: 14
Views: 1,570
Posted By ADTech
Solid Signal has mis-stated the beamwidth of both...

Solid Signal has mis-stated the beamwidth of both their Yagi and their 8-bay antennas as being 60. Their beamwidth is actually about half of that, depending on frequency.




Specifications...
Forum: Antennas 18-Sep-2018, 7:56 PM
Replies: 3
Views: 4,409
Posted By ADTech
That single VHF channel is the local FOX...

That single VHF channel is the local FOX affiliate out of Mobile, WALA. Are you sure you can dispense with it?
Forum: Help With Reception 14-Sep-2018, 4:51 PM
Replies: 14
Views: 1,570
Posted By ADTech
You would likely end up with exactly the problem...

You would likely end up with exactly the problem that Joe and I described unless you keep the signals separated and fed to different tuners/TV sets.


You can certainly try it, but the results are...
Forum: Help With Reception 14-Sep-2018, 2:10 PM
Replies: 21
Views: 2,239
Posted By ADTech
The simulator is simply a mathematical construct....

The simulator is simply a mathematical construct. Such observations regarding the received antenna height are not going to be predictive (with any accuracy) of actual reception when making very...
Showing results 1 to 25 of 500

 

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