Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA6ADP callsign genealogy
Currently held by SILLS, WILLARD N
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 WA6ADP's current licensee, walking backwards.
- Parker, Andrew DCAgranted 2009-06-10cancelled 2009-06-30
Successor callsigns
Callsigns held now by people who previously held WA6ADP.
- Parker, Andrew DCAgranted 2023-01-19
All historical holders
Every license row we've seen with the callsign WA6ADP, oldest first.
- SILLS, WILLARD N CA1994-04-26 → cancelled 2006-04-27
- Parker, Andrew D CA2009-06-30 → cancelled 2013-04-05