N9TPB FCC License Search
🕒 FCC license data updated today 8:30 am CDT (FCC files through Oct 1, 2026) · next update tomorrow 6:00 am CDT
Ask: HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WI

WR4DIO HAM

✅ Never issued — it can be requested through the vanity program.
2x3 call: any licensee can request it. No pending applications list it.
The FCC has no record of WR4DIO ever being issued.

Others requesting WR4DIO

1 application listed WR4DIO as a choice, newest first.

FiledAwardApplicantChoice #Status
Jan 9, 2023 Jan 27, 2023 KN6YCK · JAVIER LIEVANOS III · LA PUENTE, CA 5Granted