KF5MDZ
Active2x3District 5
Competitive callsign — 1 application filed with the FCC.
License HolderCallahan, Christopher C
License ClassGeneral
Min. Class RequiredTechnician
LocationKaty, TX
Grant DateAug 8, 2026
Expiration DateSep 13, 2036
KF5MDZ is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Callahan, Christopher C in Katy, TX. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Callahan, Christopher C on Aug 26, 2016. KF5MDZ has 13 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..-. ..... -- -.. --..
CW Weight: 37 units(Moderate)
Voice Phonetics
Kilo Foxtrot Five Mike Delta Zulu
Readability: 8/10(High readability)
License History
- License RenewedAug 8, 2026
- Administrative Update AppliedMar 10, 2026
- Administrative Update AppliedOct 12, 2022
- Administrative Update AppliedJul 12, 2022
- Administrative Update AppliedMay 29, 2019
- Administrative Update AppliedNov 9, 2018
- Administrative Update AppliedNov 7, 2017
- Vanity Callsign GrantedSep 13, 2016
- License IssuedSep 13, 2016
- License CanceledFeb 14, 2015
- License ModifiedFeb 1, 2012
- System-Generated Grant
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Callahan, Christopher CFiled Aug 26, 2016Not awardedFCC ↗