Critical Frequency, Maximum Useable Frequency and Grey Line Maps
Hourly STD Solar and Geophysical Report
NEW!!! AUSTIN IONOSONDE!
REAL TIME F-2 Layer information right here in Texas!
Near-Real-Time F2-Layer Critical Frequency Map
(Press "F5" to refresh. New images available about every 15 minutes)
Near-Real-Time MUF Map
Amateur Radio in and around the Red River Valley Area of Northeast Texas