W4MTR
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderPARKER, WILLIAM F
License ClassAdvanced
Min. Class RequiredGeneral
LocationSan Francisco, CA
Grant DateNov 6, 2019
Expiration DateNov 6, 2029
W4MTR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by PARKER, WILLIAM F in San Francisco, CA. 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 Ridings, Mark T on Jun 14, 2016. W4MTR has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- -- - .-.
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Whiskey Four Mike Tango Romeo
Readability: 8/10(High readability)
License History
- License RenewedNov 6, 2019
- License RenewedSep 26, 2008
- FRN Association Email SentSep 26, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Ridings, Mark TFiled Jun 14, 2016Not awardedFCC ↗