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Antenna Choice and Location for Mid Peninsula   Message List  
Reply | Forward Message #26534 of 28596 |
Re: [HDTV-in-SFbay] Re: Antenna Choice and Location for Mid Peninsula

Larry,

I do have the VHF outdoor antenna ... I just added the 4228 for UHF digital channels. And thanks for the explanation, it makes sense now.

Another question if I may, how important is the length of the coax cabling and signal strength degradation?

In my case, my guess is that the cable has to be around several hundred feet (probably 150-200 feet) before it gets to my TV. I do have a pre-amp (CR..?, located about 60 feet from the antenna) to boost up the signal and it helps ... but not channel 2 and 4.

Tom


From: Larry Kenney <Larry@...>
To: HDTV-in-SFbay@yahoogroups.com
Sent: Wednesday, December 3, 2008 12:34:51 PM
Subject: [HDTV-in-SFbay] Re: Antenna Choice and Location for Mid Peninsula

Tom...


The digital channels for 2 and 4 are next to each other at the high end of the band on channels 56 and 57.  They are transmitting  with full power from the same antennas as the other stations on Sutro Tower and you should be receiving them in your area.  Either you're experiencing multipath reflection problems for those channels or your antenna might be slightly out of alignment.

Since the TV band is being shortened as of February 17th and will only go up to channel 51, instead of 69, KTVU and KRON will both be moving to new channels.  KRON will be on 38; KTVU will be on 44. 

Either you can wait and see if you can receive them after they move, or you can try adjusting the direction of your antenna now.

It's interesting that your strongest station is KNTV, which is on VHF, since you're using an antenna that's primarily made for UHF.  Hopefully it will work as well for you for KGO when they move their digital transmissions to channel 7 in February.

Larry
SF

- - -

On Dec 3, 2008, at 9:33 AM, Tom Ho wrote:

Hi,
I'm at the foothill of San Carlos/Belmont area and with a 4228, I was able to get 9.1 (one of the weakest stations that I can get) BUT I could not get digital stations for channel 2 and 4. For me, Channel 11 has the strongest signal.

Am I pointing in the wrong direction?

TIA

Tom





Thu Dec 4, 2008 2:05 am

tomtho
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The broadcast antennas are physically vertical looking but they transmit in the horizontal plane. All television stations are licensed to operate at their...
Richard Swank
rswank631
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Dec 13, 2008
2:44 pm

Larry, I do have the VHF outdoor antenna ... I just added the 4228 for UHF digital channels. And thanks for the explanation, it makes sense now. Another...
Tom Ho
tomtho
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Dec 4, 2008
2:05 am

The dB loss per hundred feet of coax is a function of the frequency. The higher the frequency, the worse the losses. But you have an amp, which means that you...
Nick Sayer
nwsayer
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Dec 4, 2008
3:45 am
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