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""The KDSP2 is a great option. I've been reluctant to embrace DSP from
my experience with DSP from other radios but the KDSP2 has been great.
I'm glad it's apart of my K2 kit - very good filtering. The default
settings seem to be great but are there other settings that people
recommend and use?""
I use the following settings (beta and decay) which some might find
more pleasant than the default:
for SSB 97 07
for CW 97 30
All other DSP settings are at default.
I find that the default SSB setting is too watery sounding. My
preferred SSB setting reduces the watery distortion, but also exhibits
less noise reduction. I have not yet found a SSB setting with which I
am fully satisfied and would be interested in hearing about other
setting suggestions. I use DSP on SSB only when the background noise is
high.
The CW setting reduces background noise, but also effects CW tone
quality to a degree. The DSP improvement in CW S/R ratio enables me to
copy keyer generated code using MixW that I cannot copy with the DSP
off on my K2/100 or copy on my IC-735. Computer copying of CW works
reasonably well on the K2/100 with DSP on when receiving strong and
moderate strength machine keyed signals. MixW will not copy signals
just above the "mud" for me although such signals can usually be head
copied. MixW will not copy uneven hand sent code for me.
I greatly appreciate the DSP audio filters. For CW or weak digital
signals, I turn off the K2/100 AGC to eliminate AGC pumping and use
narrow audio filters to supress nearby unwanted signals. Varying
signal strength is accommodated using RF gain. Using the audio filters
prevents the slight frequency shift between TX and RX that often occurs
while using the crystal filters due to the DAC limitations.
HTH
73 de KB1IKD
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