Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3ASE callsign genealogy
Currently held by Borchers, John M
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 KC3ASE's current licensee, walking backwards.
- Speights, MichaelMDgranted 2023-08-22cancelled 2023-09-12
Successor callsigns
Callsigns held now by people who previously held KC3ASE.
- Borchers, John MPAgranted 2025-12-18
All historical holders
Every license row we've seen with the callsign KC3ASE, oldest first.
- Borchers, John M PA2013-06-05 → cancelled 2015-10-14
- Speights, Michael MD2023-09-12 active