Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0TPH callsign genealogy
Currently held by CHAISSON JR, NORRIED F
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 N0TPH's current licensee, walking backwards.
- Markle, Dan LNDgranted 2026-04-28cancelled 2026-05-19
Successor callsigns
Callsigns held now by people who previously held N0TPH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0TPH, oldest first.
- CHAISSON JR, NORRIED F MO2002-05-25 → cancelled 2014-07-29
- Markle, Dan L ND2026-05-19 active