RADARS

SAS
RKN
CLY
INV
PGR
WAL
BKS
FHW
FHE
KAP
GBR
CVE
CVW
KOD
KSR
HOK
HKW
MCM
SPS

OPTIONS

ground scatter

Plasma drift velocity along the beam direction (blue – towards the radar; red – away from the radar; grey for ground scatter).

* darker lines on the fan plots denote multiples of 20 range gates (~900 km)
+ auroral oval is estimated by the OVATION model hosted by NOAA
   opacity correlates to the probability of viewing the aurora.
Pale grey shading denotes where at 250km in the ionosphere is in darkness.