[BC] Diplexing AM Stations

[robertm]

Nautel could do this using IQ and an otherwise regular transmitter. It would require custom DSP code, though. I think they are doing something similar in India for combined DRM and analog.  


> On Jul 1, 2014, at 4:16 PM, "Ira Wilner" <bdcst at vermontel.net> wrote:
> 
> Wow!  You would probably do better with low level combining into a linear 
> amplifier, two exciters plus notch filters for 40 kHz, 80 kHz on the output 
> along with a 1500 kHz LP filter.  Each exciter would require very good LP 
> filtering before entering the linear amplifier.  It would make an