🕒 FCC license data updated today 9:42 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 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
W4PDU
✅ Available for a vanity request — free since May 30, 2012.
1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since May 30, 2012
Previous holder: JAMES C PING SR
Held W4PDU Mar 3, 2000 → May 29, 2010
· first licensed Mar 3, 2000 as W4PDU
· 1 license · FRN 0002621407
W4PDUExpiredGeneralMar 3, 2000 → May 29, 2010 (expired)
No APRS positions, PSK Reporter reports or WSPR spots for W4PDU in the last 24 hours. They show up here within seconds of W4PDU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.