WD1B
Active2x1District 1
Competitive callsign — 3 applications filed with the FCC.
License HolderKIERSTEAD, JOHN D
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationREADING, MA
Grant DateNov 12, 2019
Expiration DateFeb 6, 2030
WD1B is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by KIERSTEAD, JOHN D in READING, MA. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Bretthorst, Danny J on Mar 6, 2026. WD1B has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 31 units(Moderate)
Voice Phonetics
Whiskey Delta One Bravo
Readability: 8.5/10(High readability)
License History
- License RenewedNov 12, 2019
- License RenewedNov 17, 2009
- License RenewedNov 10, 1999
Vanity Application Activity
Competing applications filed with the FCC for this callsign.