Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0TCM callsign genealogy
Currently held by PETERSON, LA VON 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 W0TCM's current licensee, walking backwards.
- KE0WCJcancelledTwin Cities Maker Amateur Radio ClubMNgranted 2019-06-19cancelled 2019-07-09
Successor callsigns
Callsigns held now by people who previously held W0TCM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0TCM, oldest first.
- PETERSON, LA VON P NE1988-08-09 → cancelled 2000-08-10
- Twin Cities Maker Amateur Radio Club MN2019-07-09 active