Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1SP callsign genealogy
Currently held by ANDERSON, C VERNON
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 W1SP's current licensee, walking backwards.
- WA1LUJcancelledCSP AMATEUR RADIO CLUBCTgranted 1998-12-16cancelled 2000-11-14
Successor callsigns
Callsigns held now by people who previously held W1SP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1SP, oldest first.
- ANDERSON, C VERNON CT1995-06-01 → cancelled 1997-07-18
- CSP AMATEUR RADIO CLUB CT2020-11-13 active