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

KP4CMM

Active

CASTILLO MARCIAL, MARILYN

Location
GARROCHALES, PR
Class
Technician
Granted
2022-02-26
Expires
2032-02-26
Previous call
WP4SEK
FRN
0031902471
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Vanity availability

Held

Currently held

KP4CMM is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

  1. WP4SEKcancelled· T
    CASTILLO MARCIAL, MARILYNPRgranted 2022-02-07cancelled 2022-02-26

License history

0 events

No recorded events.

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