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Search: Posts Made By: cmihai
Forum: Help With Reception 1-Sep-2011, 1:59 PM
Replies: 27
Views: 10,103
Posted By cmihai
Calculate absolute Signal Power level (dBm) from TVFR

If I got it right, here's how GroundUrMast calculated signal strength from TVFR. Keep in mind that Noise Margin (NM) is another important metric to look at.

Start from the absolute Signal Power...
Forum: Help With Reception 30-Aug-2011, 9:48 PM
Replies: 27
Views: 10,103
Posted By cmihai
Sorry for not being explicit enough. I have Fox...

Sorry for not being explicit enough. I have Fox in the list from previous scan, however current level is 0 while peak level is 98. Status reads Unlock, SNR (dB) is 0 and AGC (%) is 62. Since the...
Forum: Help With Reception 30-Aug-2011, 8:06 PM
Replies: 27
Views: 10,103
Posted By cmihai
Allow me to ask a dumb question: should I rescan...

Allow me to ask a dumb question: should I rescan after a / any change in antenna's direction? I've only performed this step after significant changes in the overall setup (e.g. added the preamp or...
Forum: Help With Reception 30-Aug-2011, 7:20 PM
Replies: 27
Views: 10,103
Posted By cmihai
This is a great idea to rule out the TV tuner...

This is a great idea to rule out the TV tuner Billiam, although it might be difficult to implement - I'll see what I can do.

I really want to try GroundUrMast's suggestion this evening, to remove...
Forum: Help With Reception 30-Aug-2011, 2:15 PM
Replies: 27
Views: 10,103
Posted By cmihai
Allow me to clarify this please: there is only...

Allow me to clarify this please: there is only one preamplifier in the system, Winegard AP-8700, as posted in the first thread. We were discussing options. My understanding is that any (pre)amplifier...
Forum: Help With Reception 29-Aug-2011, 7:20 PM
Replies: 27
Views: 10,103
Posted By cmihai
Ideal preamp gain

Got you, ADTech.

Is is possible to know in advance what the ideal preamp gain should be? On one side we have cable loss (which is relatively straightforward to calculate). A few db on top of that...
Forum: Help With Reception 29-Aug-2011, 7:19 PM
Replies: 27
Views: 10,103
Posted By cmihai
Got you, ADTech. Is is possible to know in...

Got you, ADTech.

Is is possible to know in advance what the ideal preamp gain should be? On one side we have cable loss (which is relatively straightforward to calculate). A few db on top of that...
Forum: Help With Reception 29-Aug-2011, 5:42 PM
Replies: 27
Views: 10,103
Posted By cmihai
Two of the splitter outputs are connected (to one...

Two of the splitter outputs are connected (to one TV each), one has a coax F terminator and the last output is currently wide open (I realize this is not the ideal situation). Later on I'd need to...
Forum: Help With Reception 29-Aug-2011, 5:33 PM
Replies: 27
Views: 10,103
Posted By cmihai
All right John, I now understand that 181...

All right John, I now understand that 181 magnetic degrees is more of a starting point. From the post I thought that only minor corrections to 181 magnetic are acceptable, my mistake.

Since - in...
Forum: Help With Reception 29-Aug-2011, 1:57 PM
Replies: 27
Views: 10,103
Posted By cmihai
How can I possibly know that upgrading to a...

How can I possibly know that upgrading to a higher gain (e.g. from 19 to 28) wouldn't burn the TV tuner / receiver?

That is one the reasons I opted for the second in line pre-amp gain in the first...
Forum: Help With Reception 29-Aug-2011, 1:51 PM
Replies: 27
Views: 10,103
Posted By cmihai
Thank you for feedback John. Some...

Thank you for feedback John.

Some clarifications: Winegard AP-8700 has two FM traps, a fixed and a variable one. I haven't altered factory settings, just made sure that the fix FM trap is on....
Forum: Help With Reception 27-Aug-2011, 4:58 PM
Replies: 27
Views: 10,103
Posted By cmihai
Help with Reception / Antenna Setup

Anybody can shed some light on the following?

CW, PBS and Fox are at the same distance (64 miles) and same azimuth (161 magnetic) from my location. I get CW and PBS and about 40-50 signal strength...
Forum: Help With Reception 9-Jul-2011, 2:54 PM
Replies: 7
Views: 2,359
Posted By cmihai
Thank you John for all the information, I...

Thank you John for all the information, I appreciate it
Forum: Help With Reception 8-Jul-2011, 9:11 PM
Replies: 7
Views: 2,359
Posted By cmihai
It is a standard 2 story house and I plan to...

It is a standard 2 story house and I plan to install the antenna on the roof (at about 30 ft above ground)
Forum: Help With Reception 7-Jul-2011, 7:37 PM
Replies: 7
Views: 2,359
Posted By cmihai
Would I need a preamp?

http://www.tvfool.com/?option=com_wrapper&Itemid=29&q=id%3d03d944daf69fe2
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