Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1HKR callsign genealogy
Currently held by TOPLIFFE, ROGER O
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 K1HKR's current licensee, walking backwards.
- OKeefe, Michael WNHgranted 2020-05-12cancelled 2020-06-01
Successor callsigns
Callsigns held now by people who previously held K1HKR.
- SPITLER, RICHARD EFLgranted 2014-01-07cancelled 2026-03-06
All historical holders
Every license row we've seen with the callsign K1HKR, oldest first.
- TOPLIFFE, ROGER O NH1995-02-23 → cancelled 2007-02-24
- SPITLER, RICHARD E FL2012-02-14 → cancelled 2014-01-07
- OKeefe, Michael W NH2020-06-01 active