Rob, don't put too much effort measuring the sensitivity of your TR-4C and R-4C .
If you hear an obvious increase in the noise level when connecting the antenna to the TR-4C in the AM position, while it may not be as sensitive as the R-4C, it will still be "enough"!
Cheers!
Rick
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On Wed, Jan 10, 2024 at 12:33 PM, Rob PA9Z wrote:
Thanks folks,
Indeed, the TR-4C doesn't seem to be the ideal rig for AM. Luckily I also have the 4C twins, and the R-4C does AM very well. ?I could accept the 'distortion' caused by squeezing AM through the SSB filter, but I also have the impression that the sensitivity of the TR-4C receiver in AM is significantly less then SSB. ?I will compare that with the R-4C. ?Meanwhile I think I need to accept the limited AM functionality of the TR-4C.
'73 de Rob PA9Z
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73/Rick
W4XA
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