Hi, Joe.
The location of "Null" appears to be where the
"distance/direction" string would appear. Adding zero for
the distance in the contact entry appears to resolve the issue. This
should apply to any station with an "LSR Location" and an
empty "distance" entry.
Respectfully,
Kevin Huyck - KB9WOB
Meteorologist,
NOAA/National Weather Service
kevin.huyck@noaa.gov
5027
Miller Trunk Highway
Duluth, MN 55811-1442
(218)
729-6697
https://www.weather.gov/duluth