[Lowfer] 2200 m WSPR

[N1BUG]

On 10/21/18 11:08 AM, wa3tts at verizon.net wrote:
> Paul: Just curious if you have a Vibroplex (BUG zapper) in the
> shack ~:)

No. I went from a straight key to iambic and never looked back. :)

> With rain totals for the year 15 inches over normal, I did a DC
> ground test the other day between my bus bar service ground
> 
> and the EWE antenna ground in the back yard 120~170 feet away and
> was seeing 355ma at 25 volts DC (70 ohms). Last spring
> 
> before all the rain I was seeing about 80ma (~ 300 ohm range).
> Highest DC current measured when the ground system was upgraded 2
> years ago
> 
> was 385 ma at 25VDC in wet spring conditions for volumetric DC
> resistance.  Mostly fragmented shale and sandstone here under the
> top 6 inches of top soil...

Interesting. The resistance of my ground system for the transmitting
antenna stubbornly does not change with rainy or dry conditions. It
*appears* to change with temperature, and is beginning to trend
downward now as we descend toward winter. I say appears because I
cannot confirm with certainty that temperature is the controlling
factor... only that I measure lowest resistance in mid winter when
it is extremely cold and highest in mid summer, whatever that means.

73,
Paul N1BUG