Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7OF callsign genealogy
Currently held by SUWANDI, IWAN
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 W7OF's current licensee, walking backwards.
- Jorgensen, John MNVgranted 2026-04-02cancelled 2026-05-12
Successor callsigns
Callsigns held now by people who previously held W7OF.
- SUWANDI, IWANUTgranted 2022-11-04
All historical holders
Every license row we've seen with the callsign W7OF, oldest first.
- PHILLIPS, VERNON D WA1998-09-23 → cancelled 1999-09-16
- SUWANDI, IWAN OK2001-10-16 → cancelled 2003-01-28
- BRINER, MICHAEL G AZ2014-12-03 → cancelled 2024-04-22
- Jorgensen, John M NV2026-05-12 active