N9TPB
FCC License Search
🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 8, 2026) · next update today 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)KD4THM HAM
✅ Available for a vanity request — free since Sep 30, 2014.
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH
Not currently held · 1 holder on record · available since Sep 30, 2014
Previous holder: James L Seier
Held KD4THM Sep 29, 1992 → Sep 29, 2012 · first licensed Sep 29, 1992 as KD4THM · 1 license · FRN 0007300866
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- Licensee
- James L Seier
- Address
- 5171 NE 2nd Ave
Fort Lauderdale, FL 33334
- FRN
- 0007300866
- Last granted
- Jul 10, 2002
- Effective
- Sep 16, 2002
- Last action
- Sep 30, 2014
FCC actions (5)
- Sep 30, 2014 — License expired LIEXP
- Sep 16, 2002 — License modified LIMOD
- Jul 10, 2002 — License renewed LIREN
- Jun 24, 2002 — License modified LIMOD
- Jun 24, 2002 — FCC action LITIN
Callbook Records, 1993–2003
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 25, 2002 → Apr 17, 2003 · 2 discs
KD4THM · Amateur Extra · issued Sep 16, 2002, expires Sep 29, 2012
JAMES L SEIER
5171 NE 2ND AVE, FORT LAUDERDALE, FL 33334 - Seen Oct 26, 1995 → Apr 27, 2002 · 13 discs
KD4THM · Technician Plus · issued May 23, 1995, expires Sep 29, 2002
JAMES L. SEIER
5171 NE 2ND AVE, FORT LAUDERDALE, FL 33334 - Seen Sep 9, 1993 → May 12, 1995 · 4 discs
KD4THM · Technician · issued Sep 29, 1992, expires Sep 29, 2002
JAMES L SEIER
5171 NE 2ND AVE, FORT LAUDERDALE, FL 33334
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KD4THM
James L Seier
5171 NE 2nd Ave, Fort Lauderdale, FL 33334
KD4THM in the Printed Callbooks, 1909–1997
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.
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KD4THM in the last 24 hours. They show up here within seconds of KD4THM beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.