K0ESR
Active1x3District 0
Competitive callsign — 2 applications filed with the FCC.
License HolderMaddux, Jason M
License ClassGeneral
Min. Class RequiredGeneral
LocationPhoenix, AZ
Grant DateJan 24, 2023
Expiration DateJan 24, 2033
K0ESR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Maddux, Jason M in Phoenix, 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 Rossiter, Eric S on Jan 6, 2023. K0ESR has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----- . ... .-.
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Zero Echo Sierra Romeo
Readability: 6.5/10(Good readability)
License History
- License IssuedJan 24, 2023
- Vanity Callsign GrantedJan 24, 2023
Vanity Application Activity
Competing applications filed with the FCC for this callsign.