There have been a bunch of ON special event call signs active in the past few weeks.  Must be celebrating a 75 year anniversary.

KM5G

From: [email protected] <[email protected]> On Behalf Of Scott Branyan
Sent: Wednesday, January 19, 2022 8:57 AM
To: ADXA <[email protected]>
Subject: [ADXA] Negatory

ON75LLV , hi

Scott/W5AAJ