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KP4GR

Active2x2District 4

Competitive callsign — 3 applications filed with the FCC.

License HolderMONTALVO CASTRO, NORBERTO

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationLAS MARIAS, PR

Grant DateMar 24, 2023

Expiration DateMar 24, 2033

KP4GR is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by MONTALVO CASTRO, NORBERTO in LAS MARIAS, PR. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by MONTALVO CASTRO, NORBERTO on Mar 6, 2023. KP4GR has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

-.- .--. ....- --. .-.

CW Weight: 34 units(Moderate)

Voice Phonetics

Kilo Papa Four Golf Romeo

Readability: 8/10(High readability)

License History

License IssuedMar 24, 2023
Vanity Callsign GrantedMar 24, 2023
License ExpiredMar 26, 2020
License RenewedMar 22, 2008
FRN Association Letter SentMar 22, 2008

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

MONTALVO CASTRO, NORBERTOFiled Mar 6, 2023
Not awardedFCC ↗
RIVERA GONZALEZ, JOSE GFiled Apr 5, 2022
Not awardedFCC ↗
Rodriguez Lopez, Emilio MFiled Jun 18, 2020
DismissedFCC ↗

Search external databases

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FCC data as of Sep 4, 2026

KP4GR FCC Vanity Status: 3 Competing Applications & History