Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4YAC callsign genealogy
Currently held by JOHNSON, DAVID F
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 WB4YAC's current licensee, walking backwards.
- JOHNSON, DAVID FNCgranted 2015-09-21cancelled 2015-10-20
Successor callsigns
Callsigns held now by people who previously held WB4YAC.
No current licensee on record previously held this callsign.