Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1OTR callsign genealogy
Currently held by SANDERS, JEAN C
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 W1OTR's current licensee, walking backwards.
- KRUSKALL, PETERMAgranted 2023-03-25cancelled 2023-04-25
Successor callsigns
Callsigns held now by people who previously held W1OTR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1OTR, oldest first.
- SANDERS, JEAN C NH2008-02-21 → cancelled 2020-02-27
- KRUSKALL, PETER MA2023-04-25 active