Hi Stephen,

Have a read through http://wiki.allstarlink.org/wiki/RTCM_Client#Receiver_De-emphasis  (and some of the other info that is there) and see if it answers your questions.


Cheers!



Lee

On Thu, Oct 12, 2017 at 7:40 AM, Stephen - K1LNX <k1lnx@k1lnx.net> wrote:
I'm going to be deploying a dedicated 900Mhz simplex node soon using an RTCM. I will need de-empasis set, as I will be pulling my audio directly from a discriminator, but I am little unclear as to what the defaults are for de-emphasis. 

For example, I see this in the RTCM manual: 

[5678] 
buflen=750 
mobile1 = mobp1,adpcm,transmit,nodeemp 

If I just simply leave out "nodeemp" will that perform de-emphasis by default? 

Waiting on parts to be delivered so I am unable to test anything myself just yet, but just curious if someone has already ran into this and could clarify for me. 

73
Stephen
K1LNX

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--
Lee Woldanski, AScT
VE7FET