[IRCA] Elad FDM-S2 and a Phaser [Latency Issues]

[Les Rayburn <les@xxxxxxxxxxxxxxxx>]

I'd like to pair my Elad FDM-S2 SDR receiver with my Quantum Phaser, 
allowing me to null out local stations using two antennas. The problem 
that I'm having is that there is a certain amount of latency present in 
the playback of audio from the SDR, making it difficult to do the subtle 
adjustments that result in the deepest nulls.

This problem isn't unique to the Elad. Had the same issues with my 
SDR-IQ, FunCube Pro, and Perseus SDR's as well. Despite running a very 
modern computer, with quad processors, plenty of RAM, etc. The latency 
just seems to be impossible to remove.

For real-time listening or recording, it makes little difference...but 
it's a stumbling block when using a phaser. Just wondering if anyone has 
figured out how to work around this issue, or another solution.

Advice more than welcome.


--
73,


Les Rayburn, N1LF
Maylene, AL
EM63

Member NRC, IRCA, & Medium Wave DX Circle
Former CPC Chairman for NRC/IRCA

Perseus SDR, SDR-IQ,Funcube Pro, Wellbrooke ALA-1530+ loop, LF 
Engineering Active Whips,
Quantum Phaser, Kiwa Loop, Palstar MW Pre-Selector

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