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, WI

Christopher A Mastandrea

FRN 0038010229 · first licensed Feb 12, 2026 as KO6MKZ · 2 licenses on record

📻 GMRS licenses on this FRN

GMRS callStatusNameLocationGrantedExpires
WSLS533 Active Christopher A MastandreaMerced, CA Feb 18, 2026Feb 18, 2036

📝 FCC applications (6)

ReceivedFile numberServicePurposeStatusCall
Jun 11, 20260012076011 HAMWithdrawalWithdrawn KO6MKZ
Jun 10, 20260012076156 HAMModificationGranted KO6MKZ
Jun 10, 20260012075488 HAMModificationGranted KO6MKZ
Apr 15, 20260011998383 HAMModificationGranted KO6MKZ
Feb 17, 20260011911863 GMRSNew licenseGranted
Feb 11, 20260011904350 HAMNew licenseGranted KO6MKZ

Complete licensing history

Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Repeaters within 50 miles

121 repeaters within 50 miles of this address, closest first · sort: closest · most active · map these & export for a radio →

● confirmed on the air · ● probably · ● reported off the air · ● unknown · ◉ this license · ring = 50 miles · click a dot for the repeater's page
● confirmed on the air · ● probably · ● reported off the air · no dot = unknown (hover a dot for the evidence)
MilesCallNameOutputOffsetToneModeNetworksActivityLocation
2.0 W6BXN Merced
W6BXN
 444.9000 +5 TSQL 94.8 FM (analog) — Merced, CA
3.2 KF6FM merced
KF6FM Western-St
 442.4000 -5 CC1 DMR Western-States-DMR — merced, CA
3.2 N6WEB Merced
N6WEB
 441.6000 +5 none P25 — Merced, CA
3.2 W6TCD Merced
W6TCD AllStar
 444.5250 +5 TONE 107.2 FM (analog) AllStar 29584 — Merced, CA
3.2 AB6BP Merced
AB6BP
 224.4600 -1.6 TONE 88.5 FM (analog) — Merced, CA
7.5 AB6BP Merced
AB6BP AllStar
 446.8750 simplex TONE 100.0 FM (analog) AllStar 431386 — Merced, CA
24.6 W6BXN Mariposa Mt
W6BXN BM
 144.9375 in 147.4375 CC1 DMR BrandMeister 310656 — Mariposa, CA
24.6 W6BXN Mariposa Mt
W6BXN BM
 444.7875 +5 CC1 DMR BrandMeister 310658 — Mariposa, CA
24.7 W6BXN Mariposa Mt
W6BXN AllStar
 147.0300 +0.6 TSQL 100.0 FM (analog) EchoLink 424068 AllStar 52447 — Mariposa, CA
25.0 N6VRC Mariposa
N6VRC
 442.3500 +5 TSQL 141.3 FM (analog) — Mariposa, CA
25.3 W6BXN Turlock
W6BXN BM
 444.3500 +5 none FM (analog) (DMR,FM) BrandMeister 310646 — Turlock, CA
25.3 WB6PBN Turlock
WB6PBN
 442.1750 +5 TONE 110.9 FM (analog) — Turlock, CA
25.4 W6PPM Mariposa Mt
W6PPM
 146.7450 -0.6 TONE 146.2 FM (analog) — Mariposa, CA
25.4 N6LYE Mariposa Mt
N6LYE
 440.8000 +5 TSQL 114.8 FM (analog) (FM,P25) — Mariposa, CA
25.4 K6SIX Mariposa Mt
K6SIX
 441.3500 +5 TONE 107.2 FM (analog) — Mariposa, CA
25.4 KJ6ART Mariposa Mt
KJ6ART EchoLink
 441.5500 +5 TSQL 77.0 FM (analog) EchoLink 18005 — Mariposa, CA
25.4 K6IXA Mariposa Mt
K6IXA IRLP
 443.0750 +5 TONE 107.2 FM (analog) EchoLink 174995 IRLP 3840 — Mariposa, CA
25.4 W6BXN Mariposa Mt
W6BXN
 444.7000 +5 TSQL 94.8 FM (analog) — Mariposa, CA
25.4 KI6HHU Mariposa Mt
KI6HHU
 442.6750 +5 TONE 107.2 FM (analog) — Mariposa, CA
27.8 K6ACR Mariposa
K6ACR
 144.9375 in 147.4375 none FM (analog) — Mariposa, CA
27.8 W6BXN Mariposa
W6BXN
 224.9600 -1.6 TONE 156.7 FM (analog) — Mariposa, CA
27.8 W6MPA Mariposa
W6MPA
 440.0000 +5 TONE 146.2 FM (analog) — Mariposa, CA
27.8 WD6BDZ Mariposa
WD6BDZ
 440.9500 +5 TONE 141.3 FM (analog) — Mariposa, CA
27.8 W6PPM Mariposa
W6PPM
 443.8500 +5 TONE 146.2 FM (analog) — Mariposa, CA
27.8 W6HHD Mariposa
W6HHD
 1249.2250 simplex none FM (analog) — Mariposa, CA
27.9 W6MPA Mariposa
W6MPA
 147.2550 +0.6 TONE 146.2 FM (analog) — Mariposa, CA
27.9 N6LYE Mariposa Mt
N6LYE
 440.8375 +5 TSQL 114.8 FM (analog) (FM,P25) — Mariposa, CA
28.0 KF6CLR Mariposa
KF6CLR
 441.4250 +5 TONE 74.4 FM (analog) — Mariposa, CA
28.0 W6RLW Mariposa
W6RLW
 1287.6000 -12 TONE 88.5 FM (analog) — Mariposa, CA
28.0 KF6CLR Mariposa
KF6CLR
 224.1600 -1.6 TONE 74.4 FM (analog) — Mariposa, CA
28.0 KF6CLR Mariposa
KF6CLR
 224.3000 -1.6 TONE 74.4 FM (analog) — Mariposa, CA
28.0 W6BRB Mariposa
W6BRB
 224.5000 -1.6 TONE 123.0 FM (analog) — Mariposa, CA
28.0 W6BXN Mariposa
W6BXN
 1284.3000 -12 TONE 88.5 FM (analog) — Mariposa, CA
29.5 K6TJS Los Banos
K6TJS
 146.9250 -0.6 TONE 123.0 FM (analog) — Los Banos, CA
29.5 K6TJS Los Banos
K6TJS EchoLink
 147.2100 +0.6 TSQL 123.0 FM (analog) EchoLink 126601 — Los Banos, CA
29.5 KG6NUO Los Banos
KG6NUO
 443.1500 +5 TSQL 123.0 FM (analog) — Los Banos, CA
32.7 N6LYE Madera
N6LYE
 443.3125 +5 TSQL 186.2 FM (analog) (FM,P25) — Madera, CA
32.7 AB6MJ Madera
AB6MJ
 145.3500 -0.6 none FM (analog) — Madera, CA
32.7 WC6HP Madera
WC6HP
 145.3500 -0.6 none FM (analog) — Madera, CA
32.7 AB6BP Madera
AB6BP
 442.1000 +5 TONE 103.5 FM (analog) — Madera CA., CA
32.7 WA6BJY Madera
WA6BJY
 444.1500 +5 none FM (analog) — Madera, CA
32.7 KD6FW Madera
KD6FW EchoLink
 146.7000 -0.6 TONE 141.3 FM (analog) EchoLink 88988 — Madera, CA
33.4 K6TUO Moccasin Pk
K6TUO
 145.2900 -0.6 TSQL 100.0 FM (analog) — Moccasin, CA
33.6 AB6BP Mariposa
AB6BP
 442.7000 +5 CC1 DMR — Mariposa, CA
34.0 WD6BDZ Ceres
WD6BDZ
 440.9250 +5 TONE 141.3 FM (analog) — Ceres, CA
37.0 KF6OTM Groveland
KF6OTM
 145.3100 -0.6 TONE 127.3 FM (analog) — Groveland, CA
37.5 W6BXN Modesto Mt Oso
W6BXN BM
 440.1875 +5 CC1 DMR BrandMeister 310640 — Modesto, CA
37.5 N6OGN Modesto
N6OGN
 443.7500 +5 TONE 107.2 FM (analog) — Modesto, CA
37.8 WA6OYF Modesto Mem Med
WA6OYF
 146.3550 +0.6 TSQL 156.7 FM (analog) — Modesto, CA
37.9 WD6EJF Modesto DT Hotel
WD6EJF
 145.1100 -0.6 TSQL 136.5 FM (analog) — Modesto, CA
39.0 WB6NIL Ahwahnee
WB6NIL
 29.6800 -0.1 TONE 82.5 FM (analog) — Ahwahnee, CA
39.0 WB6NIL Ahwahnee
WB6NIL
 147.8250 -0.6 TONE 123.0 FM (analog) — Ahwahnee, CA
39.0 WB6NIL Ahwahnee
WB6NIL
 444.5000 +5 TONE 131.8 FM (analog) — Ahwahnee, CA
39.4 KK6AT Patterson
KK6AT
 927.6250 -25 TONE 100.0 FM (analog) — Patterson, CA
39.4 NC6R Patterson
NC6R
 146.7750 -0.6 TSQL 156.7 FM (analog) — Patterson, CA
39.5 NU7Y InclineVillage
NU7Y
 440.8500 +5 TONE 100.0 FM (analog) — InclineVillage, CA
39.7 KB6HPD Mariposa Chowchi
KB6HPD AllStar
 927.1500 -25 TSQL 100.0 FM (analog) AllStar 41170 — Mariposa, CA
39.8 W6WEZ Modesto
W6WEZ BM
 440.7575 +5 CC1 DMR BrandMeister 315074801 — Modesto, CA
40.2 KD6LKM Modesto
KD6LKM IRLP
 439.7750 simplex TSQL 127.3 FM (analog) IRLP 7899 — Modesto, CA
40.6 W6HMH Coarsegold
W6HMH
 52.7000 -0.5 TONE 127.3 FM (analog) — Coarsegold, CA
40.6 AB6BP Coarsegold
AB6BP BM
 145.3700 -0.6 none FM (analog) (DMR,FM) BrandMeister 310539 — Coarsegold, CA
40.6 WA6IBE Coarsegold
WA6IBE
 444.3750 +5 none FM (analog) — Coarsegold, CA
40.6 KE6YMW Coarsegold
KE6YMW AllStar
 444.4000 +5 TONE 82.5 FM (analog) AllStar 2136 — Coarsegold, CA
40.7 W6HMH Coarsegold
W6HMH
 146.6400 -0.6 TONE 127.3 FM (analog) — Coarsegold, CA
40.7 W6HMH Coarsegold
W6HMH
 442.9000 +5 TONE 127.3 FM (analog) — Coarsegold, CA
41.2 W6WGZ Oakhurst Deadwoo
W6WGZ
 147.1800 +0.6 TSQL 146.2 FM (analog) — Oakhurst, CA
41.2 W6WGZ Oakhurst Deadwoo
W6WGZ
 441.1750 +5 TONE 146.2 FM (analog) — Oakhurst, CA
44.5 WA6RQX Westley
WA6RQX
 444.1750 +5 TONE 141.3 FM (analog) — Westley, CA
44.6 K6ACR Westley
K6ACR EchoLink
 147.1200 +0.6 TONE 77.0 FM (analog) EchoLink 180057 — Westley, CA
44.6 N5FDL Westley
N5FDL
 146.8950 -0.6 TONE 114.8 FM (analog) — Westley, CA
44.6 K6RDJ Westley
K6RDJ
 1282.8000 -12 TONE 88.5 FM (analog) — Westley, CA
44.6 K6RDJ Westley
K6RDJ
 147.1200 +0.6 TONE 77.0 FM (analog) — Westley, CA
44.6 KJ6ART Wesley
KJ6ART
 147.1200 +0.6 TONE 77.0 FM (analog) — Wesley, CA
44.6 N5FDL Westley
N5FDL
 443.8250 +5 TONE 107.2 FM (analog) — Westley, CA
44.6 W6RD Westley
W6RD
 927.1000 -25 TONE 100.0 FM (analog) — Westley, CA
44.6 K6RDJ Westley
K6RDJ
 441.2750 +5 TONE 77.0 FM (analog) — Westley, CA
45.3 NC9RS Sonora
NC9RS
 927.6125 -25 TONE 107.2 FM (analog) — Sonora, CA
45.3 W6FRD Sonora
W6FRD
 441.7000 +5 TONE 107.2 FM (analog) — Sonora, CA
45.3 K6CV Sonora
K6CV AllStar
 444.6500 +5 TONE 114.8 FM (analog) (DMR,FM) BrandMeister 312483 AllStar 46939 — Sonora, CA
45.3 N6NEZ Sonora
N6NEZ WIRES-X
 145.1500 -0.6 TSQL 156.7 FM (analog) (FM,C4FM) WIRES-X 10105 — Sonora, CA
45.4 K6KVA Sonora
K6KVA
 444.6500 +5 TSQL 114.8 FM (analog) — Sonora, CA
45.4 WB6PHE Sonora
WB6PHE
 441.4750 +5 TONE 110.9 FM (analog) — Sonora, CA
45.5 N4RLS Copperopolis Gop
N4RLS
 444.4000 +5 TSQL 114.8 FM (analog) (FM,C4FM) — Copperopolis, CA
45.5 KJ6NRO
Listed as KJ6NRO SONORA
 Sonora Dtwn
KJ6NRO BM
 442.9750 +5 CC1 DMR BrandMeister 310647 — Sonora, CA
45.7 KJ6NRO Sonora
KJ6NRO AllStar
 147.5800 simplex TONE 136.5 FM (analog) AllStar 29263 — Sonora, CA
45.9 K6DNN Sonora Calif
K6DNN AllStar
 146.4150 simplex TONE 82.5 FM (analog) AllStar 28418 — Sonora Calif, CA
46.4 N6MAC Copperopolis
N6MAC EchoLink
 442.3750 +5 TONE 186.2 FM (analog) EchoLink 364988 — Copperopolis, CA
46.4 KB6RYU Copperopolis
KB6RYU
 224.3400 -1.6 TONE 141.3 FM (analog) — Copperopolis, CA
46.5 KD6FVA Copperopolis
KD6FVA
 441.6500 +5 TSQL 156.7 FM (analog) — Copperopolis, CA
46.5 N6GKJ Copperopolis
N6GKJ
 147.0150 +0.6 TONE 114.8 FM (analog) — Copperopolis, CA
46.5 NC6R Copperopolis
NC6R
 441.6500 +5 TONE 156.7 FM (analog) — Copperopolis, CA
46.5 W6GOP Copperopolous
W6GOP
 442.5000 +5 none FM (analog) — Copperopolous, CA
46.5 N6GKJ Copperopolis
N6GKJ
 444.2250 +5 none FM (analog) — Copperopolis, CA
46.5 N6GKJ Copperopolis
N6GKJ
 444.4000 +5 TONE 114.8 FM (analog) — Copperopolis, CA
46.7 KJ6TYO Kerman
KJ6TYO
 444.5000 +5 TONE 141.3 FM (analog) — Kerman, CA
47.4 KJ6NRO Sonora
KJ6NRO BM
 144.9625 in 147.4625 CC2 DMR BrandMeister 310653 — Sonora, CA
47.4 KJ6NRO Sonora
KJ6NRO AllStar
 442.4750 +5 CC1 DMR AllStar 29262 EchoLink 587458 BrandMeister 310643 — Sonora, CA
47.4 K6TUO Tuolumne Duckwal
K6TUO
 147.9450 -0.6 TONE 100.0 FM (analog) — Tuolumne, CA
47.5 K6TUO Tuolumne Duckwal
K6TUO
 440.9750 +5 TONE 103.5 FM (analog) — Tuolumne, CA
47.7 N6EOC Ripon
N6EOC
 441.0250 +5 TONE 100.0 FM (analog) — Ripon, CA
47.7 W6GOP Ripon
W6GOP
 444.1250 +5 none FM (analog) — Ripon, CA
47.9 WB6BRU Oakhurst Goat
WB6BRU
 224.9000 -1.6 TONE 156.7 FM (analog) — Oakhurst, CA
48.0 W6BXN Yosemite TB Dome
W6BXN
 147.0000 +0.6 TONE 100.0 FM (analog) — Yosemite, CA
48.4 N6FRG Angels Camp Fowl
N6FRG
 145.1700 -0.6 TONE 100.0 FM (analog) — Angels Camp, CA
48.4 N6SJV Lodi Bear Mtn
N6SJV
 444.2500 +5 TSQL 114.8 FM (analog) — Lodi, CA
48.5 N6JXL Clovis
N6JXL
 1286.3000 -12 TONE 141.3 FM (analog) — Clovis, CA
48.5 W6YEP Fresno
W6YEP
 1283.4500 -12 TONE 100.0 FM (analog) — Fresno, CA
48.5 KE6JZ Shaver Lake
KE6JZ
 224.7000 -1.6 TONE 156.7 FM (analog) — Shaver Lake, CA
48.8 K6TUO Columbia College
K6TUO AllStar
 146.1150 +0.6 TSQL 100.0 FM (analog) AllStar 520662 — Columbia, CA
48.9 K6NOX Columbia
K6NOX
 927.4000 -25 TONE 107.2 FM (analog) — Columbia, CA
48.9 K6LPG Columbia
K6LPG
 442.2750 +5 TONE 103.5 FM (analog) — Columbia, CA
48.9 K6NOX Columbia
K6NOX
 444.7500 +5 TONE 107.2 FM (analog) — Columbia, CA
48.9 K6LPG Columbia
K6LPG
 927.5250 -25 TONE 74.4 FM (analog) — Columbia, CA
24.9 W6HHD offline Mariposa
W6HHD
 145.1300 -0.6 none FM (analog) (DV,FM) — Mariposa, CA
24.9 W6HHD offline Mariposa
W6HHD
 444.8000 +5 none FM (analog) (DV,FM) — Mariposa, CA
24.9 W6HHD offline Mariposa Mt
W6HHD
 1284.1000 -12 none FM (analog) (DV,FM) — Mariposa, CA
29.5 WB0BK offline Los Banos
WB0BK IRLP
 446.5000 simplex TSQL 100.0 FM (analog) IRLP 7598 — Los Banos, CA
43.5 KM6U offline Sonora
KM6U IRLP
 147.5700 simplex TSQL 79.7 FM (analog) IRLP 3544 — Sonora, CA
46.6 W6GOP offline Ripon
W6GOP IRLP
 441.0250 simplex TSQL 100.0 FM (analog) IRLP 3798 — Ripon, CA
48.4 WA6AVR offline Columbia
WA6AVR IRLP
 439.5750 simplex TSQL 94.8 FM (analog) IRLP 3069 — Columbia, CA
48.9 K6DEL offline Columbia
K6DEL IRLP
 440.8500 +5 TONE 146.2 FM (analog) IRLP 3687 — Columbia, CA

Vanity applications

Filed · AwardApplicantRequested (in order)Status
Filed Jun 10, 2026
Granted Jun 30, 2026
0012076156
 KO6MKZ · Christopher A Mastandrea · Amateur Extra
2455 Cortes Dr, Merced, CA 95340
37.3290, -120.4349 (street) · Grid CM97sh · CQ 3 · ITU 6 · map ↗
1.WB6O ✓ granted
2.WK6U held
3.NX6F available
4.NX6B held
5.NV6L available
 Granted
got WB6O