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cmtar
07-05-08, 08:24 PM
Can you get SD channels with the am21 or is it just HD? I ask because I cant get CW and PBS HD online SD.
curt8403
07-05-08, 08:43 PM
Can you get SD channels with the am21 or is it just HD? I ask because I cant get CW and PBS HD online SD.


the AM21 is an ATSC tuner, not an NTSC tuner, that means it gets HD only as far as I know
gfrang
07-05-08, 08:49 PM
My guess it will get HD and SD
curt8403
07-05-08, 08:52 PM
My guess it will get HD and SD

I looked carefully, No SD. Yet. perhaps when SD goes Digital ???
gfrang
07-05-08, 08:57 PM
I looked carefully, No SD. Yet. perhaps when SD goes Digital ???

Curt SD is digital
curt8403
07-05-08, 09:03 PM
Curt SD is digital

OTA SD is analog. til Feb 2009
Stuart Sweet
07-05-08, 09:08 PM
AM21 will not receive the regular analog channels. It will receive SD channels such as digital subchannels.
Doug Brott
07-05-08, 10:24 PM
Yes, Digital does not necessarily mean HD .. There will be some stations that continue to broadcast in SD (camera cost, etc.) but will switch from an analog broadcast to a digital broadcast. You need an ATSC tuner to pick up the digital broadcasts. All new HD "Televisions" will have an ATSC tuner built in.
Kansas Zephyr
07-05-08, 10:40 PM
Can you get SD channels with the am21 or is it just HD? I ask because I cant get CW and PBS HD online SD.
To be clear. It is a ATSC (digital) tuner only. It will not receive analog broadcasts.

Remember that digital TV includes SD,ED, and HD formats.
evan_s
07-06-08, 08:08 PM
There are many channels already broadcasting digital SD material. Either as sub channels offering different content or broadcasting both HD and SD simultaneously on digital. In my area I think the most I've seen is 4 sd channels in 1 digital channel. It will not pick up old analog signals but will pick up anything digital. Hd or sd.
GP245
07-07-08, 07:47 AM
OTA SD is analog. til Feb 2009

Let me clarify -


All HD is digital.

Not all digital is HD.

Digital sub-channels are in SD and will be received by this O-T-A tuner.

Analogue O-T-A transmission will not!
bobnielsen
07-07-08, 10:51 AM
February 2009 is when the analog signals will be shut down. Most of those stations already have digital signals in addition to analog, although some will be changing the frequency of their digital transmissions to the frequency currently used for analog when the transition occurs. If have a digital tuner you should use it now to receive those channels, as the picture quality is usually better than analog (you also can receive new subchannels not currently broadcast in analog).

My AM21 receives SD digital channels just fine.