Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AH6MC callsign genealogy
Currently held by Oishi, Yoshiaki
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 AH6MC's current licensee, walking backwards.
- Oishi, YoshiakiHIgranted 2012-04-04cancelled 2012-05-18
Successor callsigns
Callsigns held now by people who previously held AH6MC.
- WEIGAND, RICHARD WMTgranted 2000-05-19cancelled 2012-05-22
All historical holders
Every license row we've seen with the callsign AH6MC, oldest first.
- WEIGAND, RICHARD W VA1996-09-17 → cancelled 2000-05-19
- Oishi, Yoshiaki HI2022-02-23 active