Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4LTP callsign genealogy
Currently held by Hallman, Frank T
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 KI4LTP's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KI4LTP.
- Hallman, Frank TFLgranted 2017-10-24