K3ADU
Active1x3District 3
Competitive callsign — 1 application filed with the FCC.
License HolderLESTER, ROBERT E
License ClassGeneral
Min. Class RequiredGeneral
LocationHARRISBURG, PA
Grant DateFeb 10, 2026
Expiration DateFeb 10, 2036
K3ADU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by LESTER, ROBERT E in HARRISBURG, PA. 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 LESTER, ROBERT E on Sep 10, 2015. K3ADU has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ...-- .- -.. ..-
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Kilo Three Alpha Delta Uniform
Readability: 7.5/10(High readability)
License History
- License RenewedFeb 10, 2026
- Administrative Update AppliedFeb 20, 2019
- License IssuedSep 29, 2015
- Vanity Callsign GrantedSep 29, 2015
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- LESTER, ROBERT EFiled Sep 10, 2015Not awardedFCC ↗