>-----Original Message-----
>From: [email protected] 
>[mailto:[email protected]] On Behalf Of F6CNI 
>- Andy - JN19QB
>Sent: Sunday, February 14, 2016 11:38 AM
>To: RSGB LF Group
>Subject: LF: De F6CNI : Testing this evening a short whip on WSPR2 MF.
>
>Hi All.
>
> 
>
>This evening I'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.
>
>