Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7MFG callsign genealogy
Currently held by OSBORNE, ROBERT A
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 W7MFG's current licensee, walking backwards.
- OSBORNE, ROBERT AWAgranted 2007-07-19cancelled 2010-12-21
Successor callsigns
Callsigns held now by people who previously held W7MFG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7MFG, oldest first.
- OSBORNE JR, CLIFTON E WA1998-05-14 → cancelled 2005-10-10
- OSBORNE, ROBERT A WA2020-10-22 active