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![]() "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 |
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