Topband: 160m activity and propagation

David Olean k1whs at metrocast.net
Fri Feb 21 09:39:48 EST 2020


Years ago, I think the correction was more like 17 degrees in New 
England.  I did some work on the geomagnetic field some years ago, and 
remembered getting magnetic variations for London, England over the last 
few  centuries. The pole really does move.

YEAR   DECL.

1600  8E
1650  1E
1700  7W
1750  18W
1800  24W
1850  22W
1900  16W
1950   8W
1970  7W

73

Dave K1WHS

On 2/21/2020 2:05 PM, Roy Morgan wrote:
> Hello Frantisek and others,
>
> I wonder how much the magnetic pole has shifted.
>
> I have been reviewing the operation of the Brunton Pocket Transit here. It has an adjustment for declination - the angular difference between the magnetic North Pole and the true rotational axis North Pole.
>
> Here in Western Massachusetts it has been about 15 degrees East for a very long time. I wonder if that is changing.
>
> Roy Morgan
> K1LKY Western Mass
>
>> On Feb 21, 2020, at 4:59 AM, Frantisek Mikulenka <Frantisek.Mikulenka at onsemi.com> wrote:
>>
>> Hi Bob,
>>
>> did you take in mind  increasing magnetic  pole (and accompanied  aurora oval) eastern shift  from Canada towards Siberia ?
>>
>> 73
>> Frantisek OK2BUZ
> _________________
> Searchable Archives: http://www.contesting.com/_topband - Topband Reflector


More information about the Topband mailing list