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[电脑] 省钱才是王道!高清电视天线DIY

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发表于 2009-6-12 12:49 | 显示全部楼层
Here is my tips to get Digital channel:

1. Antenna set up:  you can check US station at following link:

http://www.fcc.gov/mb/engineering/maps/

By inputing your address, you can get which station is available in your location. you can  drag the red mark to exact where the antenna is(using satellite map), and click stationon on the list,  it  will give direction. you can check If  trees block it or not. But you should have some kind of signal for a good antanna. channel 5-1,  and 57-1 should be ok at west island.

You can add a signal amplifier(booster) if the cable is long and signal is weak.
   

2. Check input: antenna connect to DTV input, make sure TV input is Air, local, or antenna, not Cable.

3. Search Channel:
If every thing is ok, signal is strong enough, you can automatical program,scan, search, add, or setup DTV(different name for

different TV brand). Save it before exit.

If signal is not strong enough or it is a indoor antenna, you had better to manual program, setup, scan, search or add channels.  Since by reading the signal strength or SNR(signal noise ratio) on  signal meter, you know which direction, locaton is good for which  channel. You can add channel one by one by adjust antenna.

Following is channel list in Montreal region:

13, (22-1, 22-2), WVNY  (ABC)
14,(5-1,5-2) WPTZ  (NBC)
19, (2-1) CBFT  (SRC), french
20, (6-1) CBMT  (CBC)
22, (3-1,3-2) WCAX  (CBS)
27,(17-1) CIVM,(TQc)  Tele-Quebec , french
32,(33-1,33-2,33-3,33-4) WETK  (PBS)
38, (57-1,57-2,57-3) WCFE (PBS)
42, (35-1) CFJP  (TQS)  french
43,(44-1,44-2) WFFF  (FOX)


The first # is physical channel, second # is virtual or mapped  channel. After set up, TV only display mapped ch#.

In west island, it is difficult to get ch 13, 19, 20. The antenna is normal for UHF and 13 is VHF. 19, 20 are transmited at the top  CBC building, it may be blocked by royal Mt. Any other Channels should be ok if you fine tune the antenna.

Post your result if possible.

Good luck,
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