[Elecraft] Wire antenna ends and spools?

[Skip Jensen]

A Rule I learned while working on Apollo at NASA MSC:  "Regardless of 
how large you make the MTBF of each part ... put enough of them on the 
rocket and something will always be broken."

Everyone today seems to want 5 decimal places of precision for the 
length of the wire.  Your "long mathematical equation" works just fine. 😉

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 10/6/2021 2:00 PM, Bob McGraw wrote:
> For years I've carried and used a 50 ft spool of #22 insulated 
> stranded hookup wire.  I un-spool the length I guess-ta-mate to be the 
> required amount, put a 1/2 hitch at the spool the wire comes on, and 
> toss the spool end into the nearest tree, allowing the spool to hang 
> down from a limb.  The other end connects to a specially designed 
> banana jack on the camper.  When finished operating, just turn the end 
> loose, the spool drops down, back off the 1/2 hitch and wind the wire 
> on the original spool.    No insulators, rope, heaving lines, 
> launchers,  or other things required.
>
> I also carry a 100 ft spool of #22 in case I wish to put up a longer 
> wire.  In that case I may use the 50 ft spool as a ground radial of 
> what ever length I may think needed.   Some may ask "how long is the 
> wire antenna?".   The answer is a very complex mathematical equation; 
> " long enough to go from my termination point on the camper to the 
> desired tree limb".
>
> My viewpoint.......more parts = more issues.
>
> 73
>
> Bob, K4TAX


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