Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3RLK callsign genealogy
Currently held by SCHRAMM, ALFRED C
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 K3RLK's current licensee, walking backwards.
- RAFFO, CHRISTOPHER SMDgranted 2015-12-07cancelled 2016-12-23
Successor callsigns
Callsigns held now by people who previously held K3RLK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3RLK, oldest first.
- SCHRAMM, ALFRED C PA1998-03-17 → cancelled 2010-03-18
- RAFFO, CHRISTOPHER S MD2016-12-23 active