Re: LF: De F6CNI : Testing this evening a short whip on WSPR2 MF.

[IK1WVQ Mauro <ik1wvq@stmb.it>]

interesting.
what "conterpoise" are you using ???

73 de Mauro IK1WVQ


At 11:37 14/02/2016, F6CNI - Andy - JN19QB wrote:

> Hi All.
>
>
>
> This evening Iâ??ll test on MF WSPR2  a short 5 
> meters long vertical whip. It is a thin wire 
> inside a telescopic fiberglass fishing pole.
>
>
> Including coil and ground resistances, the base 
> impedance is 54 - 10100 j. The antenna needs 
> about 3.4mH serial coil to tune it.
>
>
> Computed effeciency is ? 33 dB. Using 1 Watt 
> output TX for this test, the expected ERP is 0.5 mW and 0.75 mW for the EIRP.
>
>
> Base current is 135 mA and RMS RF voltage is 1350 V.
>
>
>
> Reports be welcome.
>
>
>
> 73 de Andy.