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Search: Posts Made By: ADTech
Forum: Antennas 18-Sep-2018, 6:56 PM
Replies: 3
Views: 668
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, 3:51 PM
Replies: 10
Views: 154
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, 1:10 PM
Replies: 21
Views: 419
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...
Forum: Help With Reception 14-Sep-2018, 1:08 PM
Replies: 10
Views: 154
Posted By ADTech
Yeah, this is often the case, especially when...

Yeah, this is often the case, especially when dealing with one set of signals that have the potential to be particularly strong. They have a nasty habit of coming in on the "wrong" panel and end up...
Forum: Help With Reception 11-Sep-2018, 3:33 PM
Replies: 29
Views: 829
Posted By ADTech
No. That LPF will wipe out ALL of your UHF...

No. That LPF will wipe out ALL of your UHF reception.
Unless you have an extraordinary signal distribution system with lots of losses, avoid adding a DA and use a passive splitter instead with the...
Forum: Help With Reception 10-Sep-2018, 4:01 PM
Replies: 29
Views: 829
Posted By ADTech
Hey, there are usually more ways than one to...

Hey, there are usually more ways than one to "skin a cat", provided you can catch it, of course... ;)
Forum: Help With Reception 8-Sep-2018, 8:43 PM
Replies: 5
Views: 156
Posted By ADTech
I used to see symptoms like that back when I...

I used to see symptoms like that back when I worked on TV sets if the 70s and 80s. I wonder if this is an old CRT set with an analog tuner (and converter box) or if it's an LCD/LED/plasma flat...
Forum: Help With Reception 8-Sep-2018, 1:02 PM
Replies: 29
Views: 829
Posted By ADTech
It's not weird at all. It took SIX YEARS to sell...

It's not weird at all. It took SIX YEARS to sell through the last order that we had received and we have to order those things in minimums of several thousand. By the time we sold through that...
Forum: Help With Reception 7-Sep-2018, 4:23 PM
Replies: 29
Views: 829
Posted By ADTech
Couple of comments, even thought the OP is not...

Couple of comments, even thought the OP is not able to reply directly. You're welcome to reply via PM (if it works) and I'll paste in any replies:

1. "I applied 4 weeks ago but haven't been...
Forum: Help With Reception 7-Sep-2018, 12:53 AM
Replies: 42
Views: 3,510
Posted By ADTech
...and, King Controls uses a UVSJ circuit in the...

...and, King Controls uses a UVSJ circuit in the King Jack antennas to combine the UHF and VHF signals post-amplification. I suppose that, if you had followed my suggestion about opening one up and...
Forum: Help With Reception 7-Sep-2018, 12:45 AM
Replies: 7
Views: 299
Posted By ADTech
You need to EXPLICITLY identify that station by...

You need to EXPLICITLY identify that station by its legal call letters, especially if it is a translator. If it's a translator, also explicitly identify the source station.



Also, generate a...
Forum: Help With Reception 5-Sep-2018, 5:58 PM
Replies: 42
Views: 3,510
Posted By ADTech
Obviously, you've done no serious examination of...

Obviously, you've done no serious examination of the antenna you keep suggesting. I would encourage you to do so.
Forum: Help With Reception 2-Sep-2018, 7:21 PM
Replies: 42
Views: 3,510
Posted By ADTech
If you were to actually open up and look at...

If you were to actually open up and look at what's inside the "King Jack" RV antenna, you'd be far less likely to be so smitten with it. By the way,it's about as blind as a bat on low VHF. Probably...
Forum: General Site Feedback / Discussion 21-Aug-2018, 8:49 PM
Replies: 2
Views: 9,600
Posted By ADTech
The site isn't broken, I've been using it all...

The site isn't broken, I've been using it all day.


The most likely reason for your experience would have something to do with whatever location data you entered. Try entering your location data...
Forum: Help With Reception 20-Aug-2018, 7:09 PM
Replies: 4
Views: 819
Posted By ADTech
In retrospect, either the C2, C2MAX or the DB2e...

In retrospect, either the C2, C2MAX or the DB2e would gave been better choices for your particular situation with regards to the ill-located ION station. The C4MAX has too narrow or a beamwidth for...
Forum: Help With Reception 18-Aug-2018, 5:57 PM
Replies: 39
Views: 6,822
Posted By ADTech
No, but it depends on the circumstances. Kind of...

No, but it depends on the circumstances. Kind of like asking if a larger diameter garden hose is "always better".
Forum: TV Database Updates 10-Aug-2018, 5:49 PM
Replies: 6
Views: 1,931
Posted By ADTech
Inflatable building aka "air-supported dome"....

Inflatable building aka "air-supported dome". Since that one is near the athletic fields, it's probably being used as a facility for the sports teams or other sports activities. They're quick to put...
Forum: Help With Reception 31-Jul-2018, 2:37 PM
Replies: 10
Views: 933
Posted By ADTech
Do keep in mind that when combining antennas...

Do keep in mind that when combining antennas aimed in different directions, you also incur about a 6-7 dB signal power loss. Barring phase cancellation issues, that also means you may well loose...
Forum: Help With Reception 31-Jul-2018, 12:25 PM
Replies: 10
Views: 933
Posted By ADTech
Once you get such a hodge-podge of antennas tied...

Once you get such a hodge-podge of antennas tied together, it's impossible to predict whether or not it will work. You'd simply have to try it and see.


Trying to combine multiple antennas with...
Forum: Special Topics 27-Jul-2018, 5:51 PM
Replies: 10
Views: 8,044
Posted By ADTech
Try wrapping it with aluminum foil.

Try wrapping it with aluminum foil.
Forum: Special Topics 27-Jul-2018, 2:50 PM
Replies: 10
Views: 8,044
Posted By ADTech
The batteries in the earphone set will not cause...

The batteries in the earphone set will not cause this. Because your earphones are infrared from the transmitter, I would not expect them to directly receive the interference from the power supply...
Forum: Special Topics 27-Jul-2018, 1:17 PM
Replies: 10
Views: 8,044
Posted By ADTech
Hmmm.... Did anything in particular change that...

Hmmm.... Did anything in particular change that was coincidental to the beginning of the interference?


Have you gone in and re-seated any audio patch cords between the TV and the transmitter?
Forum: Special Topics 26-Jul-2018, 10:05 PM
Replies: 10
Views: 8,044
Posted By ADTech
OEM or aftermarket power supply?

OEM or aftermarket power supply?
Forum: Help With Reception 25-Jul-2018, 3:04 PM
Replies: 11
Views: 1,974
Posted By ADTech
Potentially useful resources: ...

Potentially useful resources:


http://sutrotower.com See the section regarding the repacking plan

http://www.larrykenney.com/ Has several sections related to SF broadcasting and Sutro...
Forum: Help With Reception 17-Jul-2018, 1:25 PM
Replies: 39
Views: 6,822
Posted By ADTech
That information is for TV broadcasting, it has...

That information is for TV broadcasting, it has nothing to do with "broadband".
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