HD Radio Boston Area

[Aaron Read]

Garrett Wollman wrote:
> <<On Fri, 13 Oct 2006 13:26:41 -0400, Aaron Read <readaaron@friedbagels.com> said:
> 
>> Interference and interactions the 22000 watts ERP would laugh at could 
>> severely affect a 220 watt ERP digital signal.  Especially at a distance 
>> of 30 miles!
> 
> How much processing gain does the OFDM provide in hybrid mode?  A
> quick giggle search doesn't reveal any convincing evidence.  (The top
> result is a 1995 IEEE paper which says 8 dB, but the system has
> changed so much since then that I wouldn't consider it reliable.)
> 
> -GAWollman

Hmmm...I'm not sure either.  Although my Googling I did find this 
article, which is relevant to the discussion:

http://www.rwonline.com/reference-room/iboc/2006.07.05-04_rw_hd_receiver.shtml

-- 

--------------------------
Aaron Read
readaaron@friedbagels.com
www.friedbagels.com
Boston, MA 02246

Fried Bagels - Broadcast Radio & Web
Engineering & Operations Consultant