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I remember as WN0GJS tuning the pi-net output to a piece of
300-ohm twin-lead thru a PL-259! So make a little amp. with a pi output, tune it up, and measure the components. Since I learned this kind of stuff only in the school of hard-knox, I refer to it as the "empirical" method. ;-) Cheers! Rich Paul Burridge wrote: I'm simply trying to establish the radiation resistance of a non-ideal antenna so I can reasonably match it to the output impedance of the transmitter PA stage. The figure is likely to be very low, given that this antenna is highly non-ideal. I'm not interested in plotting polar patterns of the radiation distribution! -- "I expect history will be kind to me, since I intend to write it." - Winston Churchill |
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