Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8OLO callsign genealogy
Currently held by ZIMMERMAN, ROBERT B
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 W8OLO's current licensee, walking backwards.
- Zimmerman, Robert BOHgranted 2005-04-13cancelled 2005-05-17
Successor callsigns
Callsigns held now by people who previously held W8OLO.
No current licensee on record previously held this callsign.