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

KC7POF callsign genealogy

Currently held by LAMB, MARY K

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 KC7POF's current licensee, walking backwards.

  1. N7ZZMcancelled· T
    LAMB, MARY KAZgranted 2010-07-30cancelled 2014-04-08
  2. K0EVDcancelled· T
    LAMB, MARY KAZgranted 2005-06-07cancelled 2010-07-30
  3. N4AMCactive· G
    CRUZ, MEDARDOFLgranted 2019-11-13
  4. N2CHPactive· T
    Bruno Jr, Robert oNYgranted 2025-09-06
  5. KD2GCGcancelled· T
    Bruno Jr, Robert oNYgranted 2014-04-07cancelled 2015-08-04

Successor callsigns

Callsigns held now by people who previously held KC7POF.

  1. N7ZRQcancelled· T
    LAMB, MARY KAZgranted 2016-07-19cancelled 2025-09-05
  2. N4GRAcancelled· T
    LAMB, MARY KAZgranted 2001-10-16cancelled 2003-10-21

All historical holders

Every license row we've seen with the callsign KC7POF, oldest first.

  • LAMB, MARY K AZ
    1996-03-04 → cancelled 2001-10-16
  • LAMB, MARY K AZ
    2014-04-08 → cancelled 2016-07-19