WB4R
Active2x1District 4
Competitive callsign — 1 application filed with the FCC.
License HolderGrennan, Mark T
License ClassGeneral
Min. Class RequiredAmateur Extra
LocationOklahoma City, OK
Grant DateOct 4, 2017
Expiration DateNov 24, 2027
WB4R is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Grennan, Mark T in Oklahoma City, OK. 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 INGRAM, DAVID S on Nov 27, 2015. WB4R has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- -... ....- .-.
CW Weight: 25 units(Light (fast to send))
Voice Phonetics
Whiskey Bravo Four Romeo
Readability: 8/10(High readability)
License History
- License RenewedOct 4, 2017
- License RenewedNov 24, 2007
- FRN Association Email SentNov 23, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- INGRAM, DAVID SFiled Nov 27, 2015Not awardedFCC ↗