Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA1CST callsign genealogy
Currently held by Bohling, Michael T
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 WA1CST's current licensee, walking backwards.
- Bohling, Michael TTNgranted 2024-05-29cancelled 2024-07-06
Successor callsigns
Callsigns held now by people who previously held WA1CST.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA1CST, oldest first.
- BOHLING, HERBERT E UT2015-08-22 → cancelled 2022-07-13
- Bohling, Michael T TN2024-07-06 active