Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB8GRJ callsign genealogy
Currently held by McKeever, Mark D
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 WB8GRJ's current licensee, walking backwards.
- McKeever, Mark DAZgranted 2025-12-03
Successor callsigns
Callsigns held now by people who previously held WB8GRJ.
- McKeever, Mark DAZgranted 2025-12-03
All historical holders
Every license row we've seen with the callsign WB8GRJ, oldest first.
- MC KEEVER, DONALD F OH1996-01-22 → cancelled 2008-01-23
- McKeever, Mark D MN2015-01-03 → cancelled 2015-12-08