In re the analog/DSP circuitry in the TS-870: The INRAD mod is an
imaginative exercise in making a good radio perform better; it certainly is
not what one would do if you were designing a new TS-870 derivative from
scratch. In other words, it is not a fix that will make it into a textbook.
Duane argues for a clean-sheet design for amateur gear, where in effect
there would be no "radio" and no "computer" per se, but an entirely new
hybrid. Thinking outside the box. I appreciate the argument, but probably
would not be happy with the outcome :-)
I admit I like to look at those dumb, static displays and panels--they're
pleasing to me. My current favorite to watch is an FT-920. Now that's
retro. I don't have the mental horsepower to process the kind of info Duane
does; all I can do is stand back and marvel at such multi-tasking brainpower.
Finally, with the new roofing filters forthcoming from INRAD, a bunch of
older radios soon are going to have sterling dynamic range capabilities,
and you won't have to jump through hoops like the mods required on the
TS-870, or shell out big bucks. OMNI VI owners will have the choice of a
2800 or 400 Hz filter (!) Two OMNIs would give you some great performance
possibilities in CW and SSB contests.
I wonder if George's new filters will have the effect of discouraging
introduction of new ham rigs since the older ones are being given such
powerful new legs?
73,
John, W3ULS
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