K1SBL
Active1x3District 1
Competitive callsign — 1 application filed with the FCC.
License HolderTOLLAKSEN, DUANE M
License ClassGeneral
Min. Class RequiredGeneral
LocationALEXANDRIA, VA
Grant DateJun 2, 2021
Expiration DateJun 2, 2031
K1SBL is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by TOLLAKSEN, DUANE M in ALEXANDRIA, VA. 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 Huffman, Daniel P on May 14, 2021. K1SBL has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .---- ... -... .-..
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo One Sierra Bravo Lima
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedApr 21, 2026
- Administrative Update AppliedApr 12, 2025
- License IssuedJun 2, 2021
- Vanity Callsign GrantedJun 2, 2021
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Huffman, Daniel PFiled May 14, 2021Not awardedFCC ↗