Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5IFK callsign genealogy
Currently held by TREDENNICK, HARRY L
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 N5IFK's current licensee, walking backwards.
- Tredennick, Harry LTXgranted 1995-04-26cancelled 2000-07-07
Successor callsigns
Callsigns held now by people who previously held N5IFK.
- Tredennick, Harry LTXgranted 1995-04-26cancelled 2000-07-07
All historical holders
Every license row we've seen with the callsign N5IFK, oldest first.
- TREDENNICK, HARRY L TX1995-04-26 → cancelled 2000-05-26
- Tredennick, Harry L TX2000-07-07 → cancelled 2012-07-10