W4MHI
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderFRANZ, MARK C
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationOWINGS MILLS, MD
Grant DateJan 27, 2026
Expiration DateMar 19, 2036
W4MHI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by FRANZ, MARK C in OWINGS MILLS, MD. 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 Manolache, Bogdan M on Mar 1, 2016. W4MHI has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- -- .... ..
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Whiskey Four Mike Hotel India
Readability: 8/10(High readability)
License History
- License RenewedJan 27, 2026
- Administrative Update AppliedMay 5, 2020
- License ModifiedDec 26, 2019
- Administrative Update AppliedAug 16, 2019
- License ModifiedFeb 8, 2017
- License IssuedMar 19, 2016
- Vanity Callsign GrantedMar 19, 2016
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Manolache, Bogdan MFiled Mar 1, 2016Not awardedFCC ↗