Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA5ALM callsign genealogy
Currently held by STAMBAUGH, LEO P
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 KA5ALM's current licensee, walking backwards.
- Lyubomirov, Anton MTXgranted 2018-01-08cancelled 2018-01-30
Successor callsigns
Callsigns held now by people who previously held KA5ALM.
All historical holders
Every license row we've seen with the callsign KA5ALM, oldest first.
- STAMBAUGH, LEO P TX1998-04-17 → cancelled 2004-07-13
- Lyubomirov, Anton M TX2018-01-30 → cancelled 2021-04-27