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LF: VLF in VO

To: [email protected]
Subject: LF: VLF in VO
From: [email protected]
Date: Sun, 20 Dec 2015 16:16:06 -0330 (NST)
In-reply-to: <68629D3DB5E840F098999D75247C9777@gnat>
References: <[email protected]> <[email protected]> <0EF07ED4EE1B45BDBB86B44B855B03BF@gnat> <[email protected]> <68629D3DB5E840F098999D75247C9777@gnat>
Reply-to: [email protected]
Sender: [email protected]
It was a nice but windy day today so the VLF TX was put on the air
for a quick test.  About 30 watts were fed to a 5:1 XFMR and a ~0.35H
tuning coil to the 100m wire at 10m height.  CW signals were heard
clearly at 2 km using a homebuilt DC RX and a PA0RDT miniwhip at 2 km.
The sigs could not be heard on the DC RX at 2.7 km and were much weaker
on the XH100/LF10 with 20m of wire strewn in the trees.  This is
a new distance record for me for audible reception at 8.277 kHz. The
ERP was about 3uW.

73
Joe VO1NA


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