N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 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, WIKF0YJW HAM
⏳ Not available yet — opens for vanity requests May 12, 2028, two years after the license was canceled (May 11, 2026).
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
Previous holder: Martin J Henderson
Held KF0YJW May 9, 2026 → May 11, 2026 · first licensed May 9, 2026 as KF0YJW · 4 licenses · FRN 0038373031
-
- Licensee
- Martin J Henderson
- Address
- 1566 S Gilbert St #500
Iowa City, IA 52240
- FRN
- 0038373031
- Previous call
- W0MJH (General)
- Last granted
- Jun 26, 2026
- Effective
- Jun 26, 2026
- Last action
- Jun 26, 2026
FCC actions (2)
- Jun 26, 2026 — Vanity call sign granted VANGRT
- Jun 26, 2026 — License issued LIISS
-
- Licensee
- Martin J Henderson
- Address
- 1566 S Gilbert St #500
Iowa City, IA 52240
- FRN
- 0038373031
- Previous call
- KF0YKA (General)
- Last granted
- May 30, 2026
- Effective
- Jun 2, 2026
- Last action
- Jun 26, 2026
FCC actions (5)
- Jun 26, 2026 — License canceled LICAN
- Jun 2, 2026 — Administrative update LIAUA
- Jun 1, 2026 — License modified LIMOD
- May 30, 2026 — Vanity call sign granted VANGRT
- May 30, 2026 — License issued LIISS
-
📦 Moved: Cedar Rapids, IA → Iowa City, IA
- Licensee
- Martin J Henderson
- Address
- 1566 S Gilbert St #500
Iowa City, IA 52240
- FRN
- 0038373031
- Previous call
- KF0YJW (Technician)
- Last granted
- May 9, 2026
- Effective
- May 19, 2026
- Last action
- May 30, 2026
FCC actions (4)
- May 30, 2026 — License canceled LICAN
- May 19, 2026 — Administrative update LIAUA
- May 11, 2026 — Systematic call sign granted SYSGRT
- May 11, 2026 — License issued LIISS
-
- Licensee
- Martin J Henderson
- Address
- 68 36th Ave SW
Cedar Rapids, IA 52404-4656
- FRN
- 0038373031
- Last granted
- May 9, 2026
- Effective
- May 11, 2026
- Last action
- May 11, 2026
FCC actions (3)
- May 11, 2026 — License canceled LICAN
- May 9, 2026 — License issued LIISS
- May 9, 2026 — Systematic call sign granted SYSGRT
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KF0YJW in the last 24 hours. They show up here within seconds of KF0YJW beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.