N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 8:30 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, WIKN6JSI HAM
✅ Available for a vanity request — free since Sep 23, 2022.
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL: LoTW user · last upload Sep 28, 2020 · eQSL AG member · QRZ · HamQTH
Not currently held · 1 holder on record · available since Sep 23, 2022
Previous holder: Jeffry Isaacson
Held KN6JSI Jun 1, 2020 → Sep 22, 2020 · first licensed May 12, 2020 as KN6IUG · 3 licenses · FRN 0029537024
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📦 Moved: San Diego, CA → Portland, OR
- Licensee
- Jeffry Isaacson
- Address
- 13345 S Iron Mountain Blvd
Portland, OR 97219
- FRN
- 0029537024
- Previous call
- KN6JSI (General)
- Last granted
- Sep 22, 2020
- Effective
- Oct 9, 2024
- Last action
- Oct 9, 2024
FCC actions (3)
- Oct 9, 2024 — Administrative update LIAUA
- Sep 22, 2020 — Vanity call sign granted VANGRT
- Sep 22, 2020 — License issued LIISS
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- Licensee
- Jeffry Isaacson
- Address
- 4338 ADAMS AVE
SAN DIEGO, CA 92116-2521
- FRN
- 0029537024
- Previous call
- KN6IUG (General)
- Last granted
- Jun 1, 2020
- Effective
- Jul 20, 2020
- Last action
- Sep 22, 2020
FCC actions (5)
- Sep 22, 2020 — License canceled LICAN
- Jul 20, 2020 — License modified LIMOD
- Jun 25, 2020 — License modified LIMOD
- Jun 1, 2020 — Vanity call sign granted VANGRT
- Jun 1, 2020 — License issued LIISS
-
- Licensee
- Jeffry Isaacson
- Address
- 4338 ADAMS AVE
SAN DIEGO, CA 92116-2521
- FRN
- 0029537024
- Last granted
- May 12, 2020
- Effective
- May 12, 2020
- Last action
- Jun 1, 2020
FCC actions (3)
- Jun 1, 2020 — License canceled LICAN
- May 12, 2020 — License issued LIISS
- May 12, 2020 — Systematic call sign granted SYSGRT
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Others requesting KN6JSI
1 application listed KN6JSI as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| May 12, 2020 | May 30, 2020 | KN6IUG · Jeffry Isaacson · SAN DIEGO, CA | 1 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KN6JSI in the last 24 hours. They show up here within seconds of KN6JSI beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.