W4TDP
Expired1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderOldham III, Dean C
License ClassGeneral
Min. Class RequiredGeneral
LocationEl Reno, OK
Grant DateJul 15, 2014
Expiration DateJul 15, 2024
Available for ApplicationsJul 16, 2026
W4TDP is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Oldham III, Dean C in El Reno, 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 Griffin, Patrick on Jan 13, 2021. W4TDP has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- - -.. .--.
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Whiskey Four Tango Delta Papa
Readability: 8/10(High readability)
Available Jul 16, 2026 (7 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedJul 15, 2014
- Tax ID (TIN) AddedApr 26, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Griffin, PatrickFiled Jan 13, 2021DismissedFCC ↗