I thought Lyle's email quoted below was very helpful:
The way the new beta NR works is:
Fx-y selects the length of the filter.
F1 = 121 taps, F2 = 91 taps, F3 = 61 taps, F4 = 31 taps
(The Beta 3.25 release used FIR filters of 61 taps.)
y selects values of Beta (gain), decay, and delay (how long the NR
algorithm waits to process a signal)
(The Beta 3.5 release used the "x" parameter for these selections)
73,
Lyle KK7P
73,
Bill
K9YEQ
K2 #35; KX1 #35; K3 #1744; mini mods
ATS-3B
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