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KD4OPO

Available2x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderBINGHAM, BETSY L

License ClassTechnician

Min. Class RequiredTechnician

LocationFLAGSTAFF, AZ

Grant DateDec 1, 1992

Expiration DateDec 1, 2002

Cancellation DateDec 2, 2004

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KD4OPO

Available2x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderBINGHAM, BETSY L

License ClassTechnician

Min. Class RequiredTechnician

LocationFLAGSTAFF, AZ

Grant DateDec 1, 1992

Expiration DateDec 1, 2002

Cancellation DateDec 2, 2004

Available for ApplicationsDec 2, 2004

KD4OPO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by BINGHAM, BETSY L in FLAGSTAFF, AZ. 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 HALL, WAYNE E on Sep 21, 2006. KD4OPO has 1 recorded FCC license history event.

CW & Voice Analysis

Morse Code

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

CW Weight: 45 units(Heavy (slower to send))

Voice Phonetics

Kilo Delta Four Oscar Papa Oscar

Readability: 7.5/10(High readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License ExpiredDec 2, 2004

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

HALL, WAYNE EFiled Sep 21, 2006
Not awardedFCC ↗
Spaulding, David FFiled Sep 21, 2006
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 4, 2026

KD4OPO FCC Vanity Status: 2 Competing Applications & History