Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5TLF callsign genealogy
Currently held by Longfellow, Jonathan
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 K5TLF's current licensee, walking backwards.
- Longfellow, Jonathan LTXgranted 2005-11-23cancelled 2006-07-07
Successor callsigns
Callsigns held now by people who previously held K5TLF.
No current licensee on record previously held this callsign.