WP4SDR
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderCintron-Martinez, Sandra I
License ClassGeneral
Min. Class RequiredTechnician
LocationYabucoa, PR
Grant DateAug 14, 2018
Expiration DateAug 14, 2028
WP4SDR is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Cintron-Martinez, Sandra I in Yabucoa, PR. 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 Cintron-Martinez, Sandra I on Jul 27, 2018. WP4SDR has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .--. ....- ... -.. .-.
CW Weight: 35 units(Moderate)
Voice Phonetics
Whiskey Papa Four Sierra Delta Romeo
Readability: 6.5/10(Good readability)
License History
- License ModifiedAug 2, 2019
- Administrative Update AppliedAug 15, 2018
- License IssuedAug 14, 2018
- Vanity Callsign GrantedAug 14, 2018
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Cintron-Martinez, Sandra IFiled Jul 27, 2018Not awardedFCC ↗