Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5ACE callsign genealogy
Currently held by KEMPF, RICHARD A
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 N5ACE's current licensee, walking backwards.
- Rumyantsev, MaxymNJgranted 2020-06-29cancelled 2020-07-17
Successor callsigns
Callsigns held now by people who previously held N5ACE.
- Rumyantsev, MaxymNJgranted 2024-09-07
All historical holders
Every license row we've seen with the callsign N5ACE, oldest first.
- KEMPF, RICHARD A TX2007-12-18 → cancelled 2020-03-10
- Rumyantsev, Maxym PA2020-07-17 → cancelled 2024-09-07