Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1CAB callsign genealogy
Currently held by Atzrott, Derric
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 KA1CAB's current licensee, walking backwards.
- Atzrott, DerricMDgranted 2026-08-04cancelled 2026-08-29
Successor callsigns
Callsigns held now by people who previously held KA1CAB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1CAB, oldest first.
- SKARBEK, LOUIS J MA1987-10-20 → cancelled 1999-10-21
- Atzrott, Derric MD2026-08-29 active