"Radio913" wrote in message
...
SNIP
All that said, I still think that a Bird 43 (and yes, a good load or
attenuator string [once you get 60 dB or so on the attenuator string, an
open-end reflection is quite minor]) is the best route for a ham.
Yeah, someone suggested using long lengths of RG-58 (the lossier,
the
better) to improve the return loss of a no-so-50 ohm dummy load.
SNIP
Slick
Well, I wouldn't go quite that far. The "loss" of RG-58 is due to a
combination of loss in the transmission line and leakage of energy through
the relatively poor shielding. That radiated energy hanging around your test
bench is more than likely cause you new measurement errors.
Ed
|