Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1AMS callsign genealogy
Currently held by HEYMAN, HARRIS J
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 W1AMS's current licensee, walking backwards.
- Spear, Alexander MMAgranted 2016-08-04cancelled 2016-08-23
Successor callsigns
Callsigns held now by people who previously held W1AMS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1AMS, oldest first.
- HEYMAN, HARRIS J CT2003-04-15 → cancelled 2015-04-16
- Spear, Alexander M CO2026-07-07 active