Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1SPM callsign genealogy
Currently held by Mackey, Sandra P
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 W1SPM's current licensee, walking backwards.
- Mackey, Sandra PNHgranted 1994-10-31cancelled 2004-10-13
Successor callsigns
Callsigns held now by people who previously held W1SPM.
No current licensee on record previously held this callsign.