Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF0OPP callsign genealogy
Currently held by Blando, Mark W
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 KF0OPP's current licensee, walking backwards.
- Blando, Mark WMOgranted 2023-11-29cancelled 2024-01-08
Successor callsigns
Callsigns held now by people who previously held KF0OPP.
- Blando, Mark WMOgranted 2024-04-23