Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3FW callsign genealogy
Currently held by WATERLOO, FRANCIS 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 K3FW's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K3FW.
- Pantig, Joaquin Basilio MCAgranted 2025-06-06
All historical holders
Every license row we've seen with the callsign K3FW, oldest first.
- WATERLOO, FRANCIS C PA1991-01-29 → cancelled 2003-01-30
- WATSON, FRANCIS A MD2013-03-15 → cancelled 2025-03-19
- Pantig, Joaquin Basilio M CA2025-04-08 → cancelled 2025-06-06