Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9PIG callsign genealogy
Currently held by Compart, Rudolph J
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 W9PIG's current licensee, walking backwards.
- Compart, Rudolph JILgranted 2023-05-02cancelled 2023-05-20
Successor callsigns
Callsigns held now by people who previously held W9PIG.
- Williamson, Betsy LILgranted 2010-07-20cancelled 2022-07-21
All historical holders
Every license row we've seen with the callsign W9PIG, oldest first.
- Williamson, Betsy L IL2003-11-15 → cancelled 2010-07-20
- Compart, Rudolph J IL2023-05-20 active