W1ISO
Available1x3District 1
Competitive callsign — 1 application filed with the FCC.
License HolderSzwagrzyk, Jerzy
License ClassTechnician
Min. Class RequiredGeneral
LocationSunnyvale, CA
Grant DateJan 22, 1991
Expiration DateJan 22, 2001
Cancellation DateJan 23, 2003
Available for ApplicationsJan 23, 2003
W1ISO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Szwagrzyk, Jerzy in Sunnyvale, 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 McConathy, Andrew R on Mar 21, 2011. W1ISO has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
.-- .---- .. ... ---
CW Weight: 34 units(Moderate)
Voice Phonetics
Whiskey One India Sierra Oscar
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredJan 23, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- McConathy, Andrew RFiled Mar 21, 2011Not awardedFCC ↗