WOXX50 KWNP 241508 ALTPAV Space Weather Message Code: ALTPAV Serial Number: 5195 Issue Time 2012 Apr 24 1455 UTC TEST ALERT: Message Delivery Test - Solar Radiation Alert Comment: This is a message delivery test of the SOLAR RADIATION ALERT system. Test messages are sent each day at 1500 UTC unless a SOLAR RADIATION ALERT is in progress. Information on the Solar Radiation Alert system is at www.faa.gov/library/reports/medical/oamtechreports/2000s/ media/200906.pdf . . . CARI users: heliocentric potential was 493 in September 2011 . . .