Mario, if I offered a $100 reward (which I don't recall), it would have to have
been tongue-in-cheek. In my view, amateur radio contesting needs or will soon
need a new rule - only the human mind may be used for real-time extraction of
intelligence from received signals.
73, Pete N4ZR
At 03:58 PM 2/1/2007, you wrote:
>Tono, let me give you some historical HF contesting perspective first.
>My first PC online contesting operation was in 1984 CQ WW SSB. In two weeks
>time I'll celebrate 15 years of my PC DSP CW robot making 200+ QSO in ARRL
>contest as a part of PhD research. DSP achieved 80% scoring in simulated CW
>pile-ups. I was ending in top five in Dayton and Friedrichshaffen with 60%.
>Imagine what PC can do in 48 hours without pain in SO6R mode. Fortunately
>K6STI and myself agreed that we will not launch HF DSP CW contest program then
>as it would adversely affect our hobby. Recent N4ZR offers of 100$ award are
>not lucrative enough :-)
>I also remember some 35 years ago when I made HF xcvr in Orion class with 9
>MHz IF chain and +23 dBm diode mixer input. Only my VFO was not as good as
>Orion's and no DSP at that time. My TH6DXX comes from the same age and it is
>still operating on my roof. Uda-Yagi antennas still rule the waves. HF
>receivers got higher IF.
>Important event occurred recently with the appearance of 14 bit A/D converters
>running above 60 MHz. Now we can sample whole HF spectrum with narrow band
>focus in DSP. SDR technology covering our sub-bands had a debut in SDR-1000.
>This will be eventually integrated within N1MM just like MMTTY engine. CAT
>frequency control is with us for 20+ years. Speech recognition technology
>even now would be acceptable for hamradio contesting with limited vocabulary.
>The only problem is with robotic sound which upsets our brains. I share S53MV
>opinion that golden years of hamradio tech have passed.
>Progress in wideband wireless technology should enhance hamradio curiosity of
>natural ionosphere behavior. It might be misused for remote receivers or even
>whole automated stations. If we follow these trends, we might operate
>simulated contests on more reliable internet media and forget about
>ionosphere. Remember that PC beats humans in much more demanding chess these
>73 de Mario, S56A, N1YU, MSc EE retired
>P.S. Cabrillo will be with us forever :-)
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