Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3TJK callsign genealogy
Currently held by Klutz, Timothy J
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 N3TJK's current licensee, walking backwards.
- Klutz, Timothy JMDgranted 2017-06-19cancelled 2020-09-29
Successor callsigns
Callsigns held now by people who previously held N3TJK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3TJK, oldest first.
- SCHROCK, ANDERW J PA1994-09-19 → cancelled 2006-09-20
- Klutz, Timothy J MD2020-09-29 active