[Lowfer] [EXTERNAL] MP 137780.5 QRT

Laurence KL7 L hellozerohellozero at hotmail.com
Fri Feb 13 00:03:09 EST 2015


I think youve had that loop up and running since I moved to the States - I know I have daytime of you with argo captures from bartlesville okie

I loved Okie loop and the relatively smooth Cotton wood branches and nice ground conductivity  - its all knarly grabby sticky pines here but Ive a loop over the trees for a few years and still not set a branch on fire - yet

Safe to say the okie multiple conductor LF loop was the only tx antennae i could run +24 at 1kW or more, jump on a plane, fly to somewhere else and still sleep ok :-)  though I wasnt paying the house insurance ....

L.







> On Feb 12, 2015, at 19:26, Mitch Powell <ve3ot.mp at gmail.com> wrote:
> 
> True - month after month after month - absolutely stable.  I use a phase
> meter, indicating resonance. Quite precise - and indicates whether I need
> more or less inductance. Suddenly went full scale - indicating more
> inductance was suddenly required.... so I have lost some of the loop.
> Really two loops in parallel. The one loop is double wire of 2 strands of
> #10 with spacers, and the other loop is RG8/U.
> I think I will be spending some time looking for breaks in the coax or the
> two strands. A lot of wear and tear on tree branches, and the -20C makes
> things a little brittle after several years.
> 
> Of course, the best time to do antenna work is when the temp is <0 , isn't
> it ?
> 
> 73 Laurence
> 
> de Mitch
> 
> 
> 
> On Thu, Feb 12, 2015 at 10:47 PM, Howell, Laurence J <
> L.Howell at conocophillips.com> wrote:
> 
>> Man - your loop has been super stable. Hope the repair is an easish one /
>> 
>> Laurence KL7L
>> 
>> 
>> 
>>> On Feb 12, 2015, at 16:14, Mitch Powell <ve3ot.mp at gmail.com> wrote:
>>> 
>>> M P seems to have developed an antenna probem...... off resonance.
>>> Looks like we're frozen up - temp going to -20 tonight, presently at -18
>> (
>>> or 0 F ).
>>> Can't get at the tuner thru 2 feet snow, so will shut down temporarily,
>>> until weather improves.
>>> 
>>> 73
>>> 
>>> Mitch
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