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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KB1NH callsign genealogy

Currently held by CHO, YO Y

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 KB1NH's current licensee, walking backwards.

  1. N1NXDcancelled· E
    BONELL, JOHN WNHgranted 2022-11-03cancelled 2023-12-30

Successor callsigns

Callsigns held now by people who previously held KB1NH.

  1. W1UMRactive
    Unity Mountain Radio ARCNHgranted 2020-04-07
  2. KD1ABactive· E
    CHO, YO-YOONVAgranted 2019-08-16

All historical holders

Every license row we've seen with the callsign KB1NH, oldest first.

  • CHO, YO Y MA
    1994-05-03 → cancelled 1999-11-13
  • Unity Mountain Radio ARC NH
    2016-04-13 → cancelled 2020-04-07
  • BONELL, JOHN W NH
    2023-12-30 active
← Back to KB1NH License history →