Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0RBO callsign genealogy
Currently held by CAMPBELL JR, MARC T
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 W0RBO's current licensee, walking backwards.
- MILLER, MARION JKSgranted 2016-09-14cancelled 2021-10-05
Successor callsigns
Callsigns held now by people who previously held W0RBO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0RBO, oldest first.
- CAMPBELL JR, MARC T KS2006-03-03 → cancelled 2018-03-29
- MILLER, MARION J KS2021-10-05 active