Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5KSD callsign genealogy
Currently held by FLOYD, DAVID N
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 N5KSD's current licensee, walking backwards.
- Zincke, Timothy JTXgranted 2011-04-21cancelled 2012-08-07
Successor callsigns
Callsigns held now by people who previously held N5KSD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5KSD, oldest first.
- FLOYD, DAVID N TX1987-08-11 → cancelled 1999-08-16
- Zincke, Timothy J TX2023-03-10 active