[Moon-Net] Green Heron vs Alfa Spid Controller

Leslie L llistwa at gmail.com
Mon Apr 5 15:10:10 CEST 2021

Hi all,

Many of  you swear by the Green Heron RT-21AZ controller over the standard
Alfa Spid Controller when using  the SPID RAS rotors in its ability not to
lose pulses and maintain its accuracy.   I am wondering if someone can
explain why the  Green Heron  is more accurate.   Do they condition the
pulses?  They are both dealing with the inherent limitations of using a
simple reed switch and magnet as the encoder on the rotor itself.   What is
the secret sauce that makes  the Green Heron a better controller in this

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