K5RKH
Expired1x3District 5
Competitive callsign — 1 application filed with the FCC.
License HolderHARRISON, RICHARD K
License ClassGeneral
Min. Class RequiredGeneral
LocationBOULDER, CO
Grant DateSep 20, 2014
Expiration DateSep 20, 2024
Available for ApplicationsSep 21, 2026
K5RKH is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by HARRISON, RICHARD K in BOULDER, CO. 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 HARRISON, RICHARD K on Sep 2, 2014. K5RKH has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..... .-. -.- ....
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Kilo Five Romeo Kilo Hotel
Readability: 7.5/10(High readability)
Available Sep 21, 2026 (17 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ModifiedMay 30, 2023
- License IssuedSep 20, 2014
- Vanity Callsign GrantedSep 20, 2014
- License CanceledDec 24, 1999
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- HARRISON, RICHARD KFiled Sep 2, 2014Not awardedFCC ↗