I'm amusing WD1A for a 900 foot East Beverage and its performance is
awesome allowing me to work VU4KV, E30FB, and EP6T with good copy. The
same antenna in the reverse direction is not so hot compared to a singal
wire 600 footer. Don't know why but there must be some simple
explanation for this. I use commercial transormers and termination
boxes designed for WD1-A
Herb, KV4FZ
On 6/7/2015 12:40 PM, K1FZ-Bruce wrote:
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A lot are using it Roger, The I squared R losses are low because
signal currents levels are so low..
Especially for BOG antennas, the physical strength often outweighs
the loss.
I am using it for a 300 foot 2 wire switchable Beverage & works well.
For real long Beverages, maybe a better wire should be considered.
73
Bruce-K1FZ
www.qsl.net/k1fz/bogantennanotes.html
On Sun, 7 Jun 2015 15:55:59 +0000 (UTC), Roger Parsons via Topband
wrote:
I know that WD-1 and WD-1A wires are not very good for two wire
transmission lines due to their high attenuation. I wonder however
whether they are OK with the conductors strapped as Beverage wires?
WD-1A has quite a few advantages for the bush where I run my antennas
- it is strong, it is quite light, it is very nice and easy to run
out, and it fits through electric fence insulators.
I presume that its poor performance as a balanced line is related to
the copper wires twisting with the steel ones meaning that for some of
the time current is passing through the steel wires due to skin
effect. On the other hand I can't see how it can be worse than
galvanised steel wire or electric fence wire.
73 Roger
VE3ZI
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