Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6DRU callsign genealogy
Currently held by ALMOND, CHESTER 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 N6DRU's current licensee, walking backwards.
- Olson, Andrew JCAgranted 2017-09-05cancelled 2017-09-23
Successor callsigns
Callsigns held now by people who previously held N6DRU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6DRU, oldest first.
- ALMOND, CHESTER B OK1999-06-16 → cancelled 2008-02-22
- Olson, Andrew J CA2017-09-23 active