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Re: LF: Re: 500 Khz Portable Results

To: [email protected]
Subject: Re: LF: Re: 500 Khz Portable Results
From: [email protected]
Date: Sun, 3 Jun 2007 12:44:22 EDT
Delivered-to: [email protected]
Reply-to: [email protected]
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Thanks Rog,
My XYL currently in Maeslyn nr Llandysul visiting her mother!!!!! Would love to work you on 502. Will be on tonight, thanks for the QSP
Colin VTT
In a message dated 03/06/2007 10:15:48 GMT Standard Time, [email protected] writes:
  Colin, QSP fm Tom /OLB
Also good copy from '3VTT/P using a 400' kite on a beach somewhere and a rather weak signal from '3KEV. Stuck 200uH in series with my 160 inv. L which brought it down to 500Kc/s and your beacon registering about a 3 or 4 on the meter.
----- Original Message -----
Sent: Saturday, June 02, 2007 4:59 PM
Subject: LF: 500 Khz Portable Results

Good afternoon,
A collective reply to all of your e-mail's.
Firstly sincere thanks to all of the stations who came on, particularly those who called but we could not hear.
Reports were G3UNT 599plus, G3XAQ 599, MoBMU 579, G3KEV 579. Nothing heard from Adrian G4GDR or Dave G3YMC as we had a 10 Kw broadcast station at Hoo breaking through into our DC receiver. The receiver was an NE602 mixer oscillator feeding an LM386 and the transmitter was a two transistor, BC108/BFY51 driving an IRF510 with 10w output. This was link coupled, 16 turns, into a series atu using 300 turns of wire on a 1.5 inch plastic pipe and 1000pf series tuning. Two delta kites were used to lift the wire at 45 degrees and the counterpoise was 200 feet of wire laying on the beach and going into the Thames.
The battery supply was an alarm system gel battery and the whole lot was forced marched from my house down the hill and across the marsh to Egypt Bay which is almost opposite Canvey Island in the mouth of the Thames. It is around an hour in both directions in the blazing sun.
Putting the wire into the river (salt water) caused the aerial current to fall. Using the wire as a true counterpoise laying on the beach gave a significant increase in current. We are convinced we would copy all stations with a better receiver. Geoff G3YVF has returned to base to modify the rig.
Thanks again, we will repeat the exercise as soon as we can.
We saw no sign of any Ofcom inspectors despite informing the local Field Office........
73 all Colin G3VTT & Geoff G3YVF
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