Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4MAP callsign genealogy
Currently held by PILGREEN JR, DONALD R
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 WA4MAP's current licensee, walking backwards.
- PILGREEN JR, DONALD RALgranted 2005-05-11cancelled 2015-05-19
Successor callsigns
Callsigns held now by people who previously held WA4MAP.
No current licensee on record previously held this callsign.