Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1OG callsign genealogy
Currently held by Fallgren, Gustave H N
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 W1OG's current licensee, walking backwards.
- Reimann, Theodore HMAgranted 2016-05-17cancelled 2018-05-18
Successor callsigns
Callsigns held now by people who previously held W1OG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1OG, oldest first.
- Fallgren, Gustave H N MA2006-06-20 → cancelled 2016-04-28
- Reimann, Theodore H MA2018-05-18 active