Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA0RBR callsign genealogy
Currently held by Oman, Mark 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 WA0RBR's current licensee, walking backwards.
- Oman, Mark ACOgranted 2010-01-20cancelled 2010-02-09
Successor callsigns
Callsigns held now by people who previously held WA0RBR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA0RBR, oldest first.
- OMAN, MARK A CO1997-10-14 → cancelled 2009-10-15
- Oman, Mark A CO2021-01-06 active