K5RLO
Active1x3District 5
Competitive callsign — 1 application filed with the FCC.
License HolderBLUMENFELD, JAMES
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationNEEDHAM, MA
Grant DateApr 13, 2019
Expiration DateApr 13, 2029
K5RLO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by BLUMENFELD, JAMES in NEEDHAM, MA. 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 Overton, Richard L on Mar 26, 2019. K5RLO has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..... .-. .-.. ---
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Five Romeo Lima Oscar
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedFeb 24, 2026
- Administrative Update AppliedFeb 17, 2023
- License ModifiedMay 20, 2019
- License IssuedApr 13, 2019
- Vanity Callsign GrantedApr 13, 2019
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Overton, Richard LFiled Mar 26, 2019Not awardedFCC ↗