Subj: Alert!

Date: 6/30/00 3:16:23 PM Pacific Daylight Time

From: cplyler@elfrad.com (Charlie)

Head's up. High amplitude pulse chain recorded. Beginning 13:20:30 UT. DC background carrier 45 min duration. Pulsed off for period of 10 seconds Pulsed on for period of 20 seconds Pulse chain duration 10 minutes 30 seconds Intervals even

Check data please and inform of results. Riometer for that time period from Canada also shows positive

First photo shows entire transmission, second photo is expanded view of carrier interruptions.