[BC] IBOC Query

[Kent Winrich, K9EZ]

Rich Wood wrote:
>I was mistaken. There were two transmitters and a high level 
>combiner. I happened to read a copy of Radio Guide when I got home. 
>I saw the Continental ad for a single box and ads for separate 
>antennas. The station had a BE and a Harris. There appear to be so 
>many ways to do IBUZ that I combined the stations two transmitters 
>into one in my head. That's why the bedroom was full of smoke when I woke up.
>
>I've been told that the single box approach allows higher power for 
>both modes. In the case of the station I visited, the difference in 
>power between modes was very, significant.
>
>_______________

The single box allows for more efficient power usage.  With high 
level combine (two transmitters) you can have 90% of your HD power go 
into a reject load and 10% of your analog go into said reject 
load.  Make things nice and toast.