[Discuss-gnuradio] Multiplexing modulators

[John Ackermann N8UR]

In GRC I would like to combine the outputs of several NBFM modulator blocks to 
drive a USRP sink.  The idea is to output several discrete channels within the 
USRP transmit bandwidth, e.g., three signal channels at -30 kHz, 0 kHz, and +30 
kHz offset from the USRP tune frequency.

I'd appreciate suggestions on how best to accomplish this.

Thanks,

John
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