AE4SJ
Active2x2District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderADLER, JOHN J
License ClassGeneral
Min. Class RequiredGeneral
LocationBoulder, CO
Grant DateSep 24, 2019
Expiration DateSep 24, 2029
AE4SJ is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by ADLER, JOHN J in Boulder, CO. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Esposito II, Stephen J on Sep 6, 2019. AE4SJ has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- . ....- ... .---
CW Weight: 25 units(Light (fast to send))
Voice Phonetics
Alpha Echo Four Sierra Juliet
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedJul 26, 2022
- Administrative Update AppliedAug 10, 2021
- Administrative Update AppliedAug 10, 2021
- License IssuedSep 24, 2019
- Vanity Callsign GrantedSep 24, 2019
Vanity Application Activity
Competing applications filed with the FCC for this callsign.