Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA1GO callsign genealogy
Currently held by JACOBS, MICHAEL G
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 AA1GO's current licensee, walking backwards.
- Goh, SeogmeenMDgranted 2014-08-01cancelled 2016-10-29
Successor callsigns
Callsigns held now by people who previously held AA1GO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA1GO, oldest first.
- JACOBS, MICHAEL G CT1993-05-18 → cancelled 2005-05-19
- Goh, Seogmeen MD2026-08-19 active