Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0ROB callsign genealogy
Currently held by LEWIS III, ROBERT S
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 K0ROB's current licensee, walking backwards.
- Wai, Robert KCAgranted 2023-09-01cancelled 2023-12-05
Successor callsigns
Callsigns held now by people who previously held K0ROB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0ROB, oldest first.
- LEWIS III, ROBERT S WA2011-11-15 → cancelled 2023-11-16
- Wai, Robert K NJ2023-12-05 active