Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5MU callsign genealogy
Currently held by LAMB, GREG S
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AD5MU's current licensee, walking backwards.
- LAMB, GREG SOKgranted 1997-12-11cancelled 2002-11-08
Successor callsigns
Callsigns held now by people who previously held AD5MU.
- LAMB, GREG SORgranted 2015-10-14