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AB4OM

Active2x2District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderCROSTON, ROY P

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationORLANDO, FL

Grant DateOct 9, 2019

Expiration DateDec 30, 2029

AB4OM is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by CROSTON, ROY P in ORLANDO, FL. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by CROSTON, ROY P on Jan 6, 2000. AB4OM has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 32 units(Moderate)

Voice Phonetics

Alpha Bravo Four Oscar Mike

Readability: 8.5/10(High readability)

License History

License RenewedOct 9, 2019
License RenewedNov 20, 2009
Administrative Update AppliedJun 13, 2001
License RenewedDec 30, 1999

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

CROSTON, ROY PFiled Jan 6, 2000
DismissedFCC ↗
SEAMON, GARY RFiled Jan 6, 2000
DismissedFCC ↗

Search external databases

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FCC data as of Sep 3, 2026

AB4OM FCC Vanity Status: 2 Competing Applications & History