Universal Licensing System

WPMM274

NATIONAL SCIENCE AND TECHNOLOGY NETWORK, INC.

License details

ULS identifier	1924045
Call sign	WPMM274
Radio service	YG
Status	A
Grant date	2023-06-29
Expiration	2033-09-15
Frequency range	472 - 475.9 MHz (8 frequencies)
Locations	3
Representative location	Fontana, SAN BERNARDINO, CA
Coordinates	34.2022222, -117.4828333
Source archive	l_LMpriv.zip
Dataset refreshed	2026-08-02 01:17:33

Licensee

Name	NATIONAL SCIENCE AND TECHNOLOGY NETWORK, INC.
Applicant type	C
FRN	0006613392
Location	Torrance, CA
Address	22826 Mariposa Ave., Torrance, CA, 90502
Phone	3105344456
Email	[email protected]

Frequency assignments

Location	Antenna	Station class	Assigned MHz	Output W	ERP W
1	1	FB8	472.00000000	100.000000	500.000000
2	1	FB8	472.00000000	92.000000	1000.000000
3	1	FB8	472.00000000	100.000000	1000.000000
6	1	MO	472.00000000	60.000000	200.000000
7	1	FB6T	472.00000000	100.000000	500.000000
8	1	MO	472.00000000	60.000000	200.000000
9	1	FB6T	472.00000000	92.000000	1000.000000
10	1	MO	472.00000000	60.000000	200.000000
11	1	FB6T	472.00000000	100.000000	1000.000000
1	1	FB8	472.02500000	100.000000	500.000000
2	1	FB8	472.02500000	92.000000	1000.000000
3	1	FB8	472.02500000	100.000000	1000.000000
6	1	MO	472.02500000	60.000000	200.000000
7	1	FB6T	472.02500000	100.000000	500.000000
8	1	MO	472.02500000	60.000000	200.000000
9	1	FB6T	472.02500000	92.000000	1000.000000
10	1	MO	472.02500000	60.000000	200.000000
11	1	FB6T	472.02500000	100.000000	1000.000000
16	1	FB8	472.02500000	100.000000	500.000000
17	1	MO8	472.02500000	60.000000	200.000000
18	1	FB6T	472.02500000	100.000000	500.000000
5	1	FB8	472.77500000	100.000000	500.000000
14	1	MO	472.77500000	60.000000	200.000000
15	1	FB6T	472.77500000	100.000000	500.000000
5	1	FB8	472.90000000	100.000000	500.000000
14	1	MO8	472.90000000	60.000000	200.000000
15	1	FB6T	472.90000000	100.000000	500.000000
6	1	MO	475.00000000	60.000000	200.000000
7	1	FX1T	475.00000000	60.000000	200.000000
8	1	MO	475.00000000	60.000000	200.000000
9	1	FX1T	475.00000000	60.000000	200.000000
10	1	MO	475.00000000	60.000000	200.000000
11	1	FX1T	475.00000000	60.000000	200.000000
6	1	MO	475.02500000	60.000000	200.000000
7	1	FX1T	475.02500000	60.000000	200.000000
8	1	MO	475.02500000	60.000000	200.000000
9	1	FX1T	475.02500000	60.000000	200.000000
10	1	MO	475.02500000	60.000000	200.000000
11	1	FX1T	475.02500000	60.000000	200.000000
17	1	MO8	475.02500000	60.000000	200.000000
18	1	FX1T	475.02500000	60.000000	200.000000
14	1	MO	475.77500000	60.000000	200.000000
15	1	FX1T	475.77500000	60.000000	200.000000
14	1	MO8	475.90000000	60.000000	200.000000
15	1	FX1T	475.90000000	60.000000	200.000000

Emission designators

Location	Antenna	Frequency MHz	Emission
1	1	472.00000000	11K3F2D
1	1	472.00000000	11K3F1D
1	1	472.00000000	11K3F3E
2	1	472.00000000	11K3F1D
2	1	472.00000000	11K3F3E
2	1	472.00000000	11K3F2D
3	1	472.00000000	11K3F3E
3	1	472.00000000	11K3F1D
3	1	472.00000000	11K3F2D
6	1	472.00000000	11K3F3E
6	1	472.00000000	11K3F1D
6	1	472.00000000	11K3F2D
7	1	472.00000000	11K3F2D
7	1	472.00000000	11K3F1D
7	1	472.00000000	11K3F3E
8	1	472.00000000	11K3F2D
8	1	472.00000000	11K3F1D
8	1	472.00000000	11K3F3E
9	1	472.00000000	11K3F3E
9	1	472.00000000	11K3F2D
9	1	472.00000000	11K3F1D
10	1	472.00000000	11K3F2D
10	1	472.00000000	11K3F1D
10	1	472.00000000	11K3F3E
11	1	472.00000000	11K3F1D
11	1	472.00000000	11K3F2D
11	1	472.00000000	11K3F3E
1	1	472.02500000	11K3F2D
1	1	472.02500000	11K3F1D
1	1	472.02500000	11K3F3E
2	1	472.02500000	11K3F1D
2	1	472.02500000	11K3F3E
2	1	472.02500000	11K3F2D
3	1	472.02500000	11K3F1D
3	1	472.02500000	11K3F3E
3	1	472.02500000	11K3F2D
6	1	472.02500000	11K3F3E
6	1	472.02500000	11K3F1D
6	1	472.02500000	11K3F2D
7	1	472.02500000	11K3F3E
7	1	472.02500000	11K3F2D
7	1	472.02500000	11K3F1D
8	1	472.02500000	11K3F3E
8	1	472.02500000	11K3F1D
8	1	472.02500000	11K3F2D
9	1	472.02500000	11K3F2D
9	1	472.02500000	11K3F3E
9	1	472.02500000	11K3F1D
10	1	472.02500000	11K3F3E
10	1	472.02500000	11K3F1D
10	1	472.02500000	11K3F2D
11	1	472.02500000	11K3F1D
11	1	472.02500000	11K3F2D
11	1	472.02500000	11K3F3E
16	1	472.02500000	11K2F1D
16	1	472.02500000	11K2F2D
16	1	472.02500000	11K2F3E
17	1	472.02500000	11K2F3E
17	1	472.02500000	11K2F2D
17	1	472.02500000	11K2F1D
18	1	472.02500000	11K2F1D
18	1	472.02500000	11K2F2D
18	1	472.02500000	11K2F3E
5	1	472.77500000	11K3F3E
5	1	472.77500000	11K3F2D
5	1	472.77500000	11K3F1D
14	1	472.77500000	11K3F3E
14	1	472.77500000	11K3F1D
14	1	472.77500000	11K3F2D
15	1	472.77500000	11K3F2D
15	1	472.77500000	11K3F1D
15	1	472.77500000	11K3F3E
5	1	472.90000000	11K2F1D
5	1	472.90000000	11K2F2D
5	1	472.90000000	11K2F3E
14	1	472.90000000	11K2F2D
14	1	472.90000000	11K2F3E
14	1	472.90000000	11K2F1D
15	1	472.90000000	11K2F2D
15	1	472.90000000	11K2F1D
15	1	472.90000000	11K2F3E
6	1	475.00000000	11K3F1D
6	1	475.00000000	11K3F3E
6	1	475.00000000	11K3F2D
7	1	475.00000000	11K3F1D
7	1	475.00000000	11K3F3E
7	1	475.00000000	11K3F2D
8	1	475.00000000	11K3F2D
8	1	475.00000000	11K3F1D
8	1	475.00000000	11K3F3E
9	1	475.00000000	11K3F3E
9	1	475.00000000	11K3F1D
9	1	475.00000000	11K3F2D
10	1	475.00000000	11K3F2D
10	1	475.00000000	11K3F3E
10	1	475.00000000	11K3F1D
11	1	475.00000000	11K3F3E
11	1	475.00000000	11K3F1D
11	1	475.00000000	11K3F2D
6	1	475.02500000	11K3F1D
6	1	475.02500000	11K3F2D
6	1	475.02500000	11K3F3E
7	1	475.02500000	11K3F1D
7	1	475.02500000	11K3F3E
7	1	475.02500000	11K3F2D
8	1	475.02500000	11K3F2D
8	1	475.02500000	11K3F3E
8	1	475.02500000	11K3F1D
9	1	475.02500000	11K3F1D
9	1	475.02500000	11K3F2D
9	1	475.02500000	11K3F3E
10	1	475.02500000	11K3F1D
10	1	475.02500000	11K3F2D
10	1	475.02500000	11K3F3E
11	1	475.02500000	11K3F1D
11	1	475.02500000	11K3F3E
11	1	475.02500000	11K3F2D
17	1	475.02500000	11K2F3E
17	1	475.02500000	11K2F1D
17	1	475.02500000	11K2F2D
18	1	475.02500000	11K2F3E
18	1	475.02500000	11K2F1D
18	1	475.02500000	11K2F2D
14	1	475.77500000	11K3F2D
14	1	475.77500000	11K3F3E
14	1	475.77500000	11K3F1D
15	1	475.77500000	11K3F3E
15	1	475.77500000	11K3F2D
15	1	475.77500000	11K3F1D
14	1	475.90000000	11K2F3E
14	1	475.90000000	11K2F1D
14	1	475.90000000	11K2F2D
15	1	475.90000000	11K2F1D
15	1	475.90000000	11K2F3E
15	1	475.90000000	11K2F2D

Licensed locations

Location	Type	Address	Coordinates	Ground elevation	Structure	Height	NEPA
1	T	SANTA MONICA MOUNTAINS, MONTE NIDO, LOS ANGELES, CA	34.08305556, -118.64119444	785.000 m	POLE	30.000 m structure / 30.000 m overall	N
2	T	SUNSET RIDGE, CLAREMONT, LOS ANGELES, CA	34.18638889, -117.71422222	1603.000 m	TOWER	30.000 m structure / 30.000 m overall	N
3	T	CASTRO PEAK, CORNELL, LOS ANGELES, CA	34.08555556, -118.78480556	855.000 m	TOWER	46.000 m structure / 46.000 m overall	N
5	T	SAN RAFAEL HILLS, GLENDALE, LOS ANGELES, CA	34.15972222, -118.18508333	488.000 m	POLE	31.000 m structure / 37.000 m overall	N
6	T
7	T
8	T
9	T
10	T
11	T
14	T
15	T
16	T	San Sevaine Peak, Fontana, SAN BERNARDINO, CA	34.20222222, -117.48283333	1438.000 m	POLE	27.000 m structure / 27.000 m overall	N
17	T						N
18	T						N

Antennas

Location	Antenna	Type	Height	Radiation center
1	1	T	12.000 m	579.000
1	2	T	15.000 m	710.000
1	3	T	21.000 m	610.000
1	5	T	37.000 m	144.000
1	6	T
1	7	T
1	8	T
1	9	T
1	10	T
1	11	T
1	14	T
1	15	T
1	16	T	27.000 m	543.000
1	17
1	18

Control points

Number	Address	County	Phone
1	2050 S. BUNDY DRIVE SUITE 285, LOS ANGELES, CA	LOS ANGELES	3108201234

Special conditions

Type	Condition code
P	1035

License history

Date	File or call sign	Action
2023-06-29	WPMM274	LIREN
2022-06-11	WPMM274	LIAUA
2013-09-28	WPMM274	AUTHPR
2013-09-27	WPMM274	COR
2013-09-27	WPMM274	LIREN
2013-09-27	WPMM274	INTDUP
2013-07-17	WPMM274	LTSAPR
2013-06-24	WPMM274	LETRES
2008-03-18	WPMM274	LIMOD
2007-01-24	WPMM274	LTSAPR
2007-01-24	WPMM274	LIAUA
2003-07-03	WPMM274	LIREN
2003-06-23	WPMM274	LETRES
2002-01-11	WPMM274	AUDOPR
2000-11-24	WPMM274	LICCNV
1998-09-16	WPMM274	AUTHPR
1998-09-15	WPMM274	LIISS

Sources and provenance

Source	Source record	Retrieved	Match
ULS	1924045	2026-08-02 01:17:33	Official Bulk Record

Selected field provenance

Field	Displayed value	Source	Observed
Call Sign	WPMM274	ULS 1924045	2026-08-02 01:17:33
Status	A	ULS 1924045	2026-08-02 01:17:33
Service	YG	ULS 1924045	2026-08-02 01:17:33
Grant Date	2023-06-29	ULS 1924045	2026-08-02 01:17:33
Expiration Date	2033-09-15	ULS 1924045	2026-08-02 01:17:33