🕒 FCC license data updated today 7:15 am CST (FCC files through Nov 4, 2026) · next update today 8:30 am CST
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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)
WD9DYU HAM
✅ Available for a vanity request — free since Apr 14, 2021.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Apr 14, 2021
Previous holder: JOHN J SWANSON
Held WD9DYU Jun 20, 1989 → Apr 13, 2019
· first licensed Jun 20, 1989 as WD9DYU
· 1 license · FRN 0018572172 📖 In the printed callbooks since 1979 as WD9DYU, before the FCC's online records
From the FCC amateur database as published on the QRZ! callsign CD-ROMs, 1993–2003, before and alongside the FCC's online records (which start in 1999). "Seen" dates are the first and last disc showing that record; the issue date is the FCC's, so it can be a renewal of an even older license.
Seen Oct 8, 1999 → Apr 17, 2003 · 8 discs WD9DYU
· Advanced · issued Apr 13, 1999, expires Apr 13, 2009
JOHN J. SWANSON
995 S FULTON AVE, FORT LUPTON, CO 80621-1287
Seen Sep 9, 1993 → Apr 7, 1999 · 11 discs WD9DYU
· Advanced · issued Jun 20, 1989, expires Jun 20, 1999
JOHN J SWANSON
12151 BELLAIRE PL, THORNTON, CO 80241
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Nov 1, 2026 · 52 snapshots · as WD9DYU
JOHN J SWANSON
995 S FULTON AVE, FORT LUPTON, CO 80621-1287
From scanned copies of the printed callbooks (government lists from 1913, then the Radio Amateur Callbook to 1997), read by OCR, so names and streets can carry typos. Each line is one or more editions in a row showing the same name at the same address.
1996 · 1 edition WD9DYU · class A
John J Swanson 12 51 Bellaire Place, Enver Cd 80241 1996 p.1792
1994 → 1995 · 2 editions WD9DYU · class A
John J Swanson 12151 Bellaire Place, Denver, CO 80241 1994 p.1596, 1995 p.1737
1993 · 1 edition WD9DYU · class A
John J Swanson 11 51 Bellaire Place, Uenm, CO 80141 1993 p.1504
1992 · 1 edition WD9DYU · class A
John J Swanson 11151 Bellaire Place, Denver Cd B0141 · 1992 p.1387
1990 · 1 edition WD9DYU · class A
John J Swanson 12151 Bellaire Place, Denver, CO 80241 Winter 1990 p.1230
1987 · 1 edition WD9DYU · class A
John J Swanson Jo! E Malley Or Pt 19j, Northglenn Co B02jj Winter 1987 p.1158
1985 · 1 edition WD9DYU · class A
John J Swanson 301 E Malley Dr Pt 193, Northglenn, CO 80233 Winter 1985 p.1143
1984 · 1 edition WD9DYU · class A
John J Swanson Joi E Malley Dr Pt 193, Northglenn, CO 80133 Winter 1984 p.1142
1983 · 1 edition WD9DYU · class A
John J Swanson 301 E Malley Dr Apt 193, Northglenn, CO 80233 Winter 1983 p.1098
1980 · 1 edition WD9DYU · class A
John J Swanson 502 ·k· St, La Porte, IN 46350 Winter 1980 p.1017
1979 · 1 edition WD9DYU · class A
John J Swanson 502 .j{- 51, La Porle, IN 46350 Winter 1979 p.448
None · 1 edition WD9DYU · class A
John J Swanson 301 E Malley Dr Apt 193, Northglenn None p.1018
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for WD9DYU in the last 24 hours. They show up here within seconds of WD9DYU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.