Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5DI callsign genealogy
Currently held by Lamb Ii, John K
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 AD5DI's current licensee, walking backwards.
- Lamb Ii, John KARgranted 1998-04-20cancelled 2001-03-15
Successor callsigns
Callsigns held now by people who previously held AD5DI.
- Lamb Ii, John KARgranted 2002-04-13cancelled 2002-09-21