Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7SPS callsign genealogy
Currently held by Railway Amateur Radio Club
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 W7SPS's current licensee, walking backwards.
- KD7MKMcancelledRailway Amateur Radio ClubORgranted 2001-03-22cancelled 2001-04-24
Successor callsigns
Callsigns held now by people who previously held W7SPS.
No current licensee on record previously held this callsign.