Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7TTD callsign genealogy
Currently held by Eichman, Christopher 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 N7TTD's current licensee, walking backwards.
- Eichman, Christopher JORgranted 2020-05-18cancelled 2020-06-05
Successor callsigns
Callsigns held now by people who previously held N7TTD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7TTD, oldest first.
- Krotz, Laird C NV2001-10-12 → cancelled 2013-10-15
- Eichman, Christopher J OR2020-06-05 active