[Dx4win] wrong heading for a specific call?

[Jim Reisert AD1C]

On Wed, Aug 31, 2016 at 3:42 PM, Rick K0XB wrote:

> I wonder if anyone has an idea why this is going on: I entered the callsign
> "TZ4AM" into the main window on DX4WIN, and it told me the heading was 143
> degrees. I'm in Minnesota, so this is obviously incorrect for TZ. But if I
> enter any other TZ call, it tells me the heading is 78 degrees, which I
> believe is correct. Why would it show an incorrect heading for a specific
> call?

DX4WIN probably inherited a grid square (or IOTA ?!?) from a previous
QSO with TZ4AM.

-- 
Jim Reisert AD1C, <jjreisert at alum.mit.edu>, http://www.ad1c.us