Universal Licensing System

WSND831

License details

ULS identifier	5317599
Call sign	WSND831
Radio service	IG
Status	A
Grant date	2026-06-11
Expiration	2036-06-11
Frequency range	151.595 - 160.1025 MHz (30 frequencies)
Locations	6
Representative location	EL DORADO, EL DORADO, CA
Coordinates	38.6311111, -120.8572222
Source archive	l_LMpriv.zip
Dataset refreshed	2026-08-02 01:14:20

Licensee

Name	CRYSTAL SMR, INC
Applicant type	C
FRN	0005749403
Location	SAN LEANDRO, CA
Address	1601 NEPTUNE DRIVE, SAN LEANDRO, CA, 94577
Phone	5108959500
Email	[email protected]

Frequency assignments

Location	Antenna	Station class	Assigned MHz	Output W	ERP W
3	1	FB6	151.59500000	25.000000	25.000000
4	1	MO6	151.59500000	25.000000	25.000000
1	1	FB6	151.80500000	25.000000	25.000000
2	1	MO6	151.80500000	25.000000	25.000000
3	1	FB6	151.96250000	25.000000	25.000000
4	1	MO6	151.96250000	25.000000	25.000000
5	1	FB6	152.26250000	25.000000	25.000000
6	1	MO6	152.26250000	25.000000	25.000000
3	1	FB6	152.33750000	25.000000	25.000000
4	1	MO6	152.33750000	25.000000	25.000000
1	1	FB6	152.36750000	25.000000	25.000000
2	1	MO6	152.36750000	25.000000	25.000000
1	1	FB6	152.45750000	25.000000	25.000000
2	1	MO6	152.45750000	25.000000	25.000000
1	1	FB6	152.93750000	25.000000	25.000000
2	1	MO6	152.93750000	25.000000	25.000000
5	1	FB6	152.96000000	25.000000	25.000000
6	1	MO6	152.96000000	25.000000	25.000000
5	1	FB6	152.96750000	25.000000	25.000000
6	1	MO6	152.96750000	25.000000	25.000000
3	1	FB6	152.99000000	25.000000	25.000000
4	1	MO6	152.99000000	25.000000	25.000000
1	1	FB6	152.99750000	25.000000	25.000000
2	1	MO6	152.99750000	25.000000	25.000000
5	1	FB6	154.48250000	25.000000	25.000000
6	1	MO6	154.48250000	25.000000	25.000000
3	1	FB6	154.54750000	25.000000	25.000000
4	1	MO6	154.54750000	25.000000	25.000000
5	1	FB6	154.61000000	25.000000	25.000000
6	1	MO6	154.61000000	25.000000	25.000000
6	1	MO6	157.52250000	25.000000	25.000000
4	1	MO6	157.59750000	25.000000	25.000000
2	1	MO6	157.62750000	25.000000	25.000000
2	1	MO6	157.71750000	25.000000	25.000000
4	1	MO6	158.32500000	25.000000	25.000000
6	1	MO6	158.33250000	25.000000	25.000000
4	1	MO6	159.53250000	25.000000	25.000000
4	1	MO6	159.54750000	25.000000	25.000000
2	1	MO6	159.61500000	25.000000	25.000000
6	1	MO6	159.67500000	25.000000	25.000000
2	1	MO6	159.71250000	25.000000	25.000000
2	1	MO6	159.72750000	25.000000	25.000000
6	1	MO6	159.72750000	25.000000	25.000000
6	1	MO6	159.97500000	25.000000	25.000000
6	1	MO6	160.09500000	25.000000	25.000000
4	1	MO6	160.10250000	25.000000	25.000000

Emission designators

Location	Antenna	Frequency MHz	Emission
3	1	151.59500000	4K00F1D
3	1	151.59500000	4K00F1E
4	1	151.59500000	4K00F1E
4	1	151.59500000	4K00F1D
1	1	151.80500000	4K00F1E
1	1	151.80500000	4K00F1D
2	1	151.80500000	4K00F1E
2	1	151.80500000	4K00F1D
3	1	151.96250000	4K00F1E
3	1	151.96250000	4K00F1D
4	1	151.96250000	4K00F1D
4	1	151.96250000	4K00F1E
5	1	152.26250000	4K00F1E
5	1	152.26250000	4K00F1D
6	1	152.26250000	4K00F1D
6	1	152.26250000	4K00F1E
3	1	152.33750000	4K00F1D
3	1	152.33750000	4K00F1E
4	1	152.33750000	4K00F1D
4	1	152.33750000	4K00F1E
1	1	152.36750000	4K00F1D
1	1	152.36750000	4K00F1E
2	1	152.36750000	4K00F1D
2	1	152.36750000	4K00F1E
1	1	152.45750000	4K00F1D
1	1	152.45750000	4K00F1E
2	1	152.45750000	4K00F1E
2	1	152.45750000	4K00F1D
1	1	152.93750000	4K00F1D
1	1	152.93750000	4K00F1E
2	1	152.93750000	4K00F1E
2	1	152.93750000	4K00F1D
5	1	152.96000000	4K00F1D
5	1	152.96000000	4K00F1E
6	1	152.96000000	4K00F1D
6	1	152.96000000	4K00F1E
5	1	152.96750000	4K00F1D
5	1	152.96750000	4K00F1E
6	1	152.96750000	4K00F1E
6	1	152.96750000	4K00F1D
3	1	152.99000000	4K00F1D
3	1	152.99000000	4K00F1E
4	1	152.99000000	4K00F1D
4	1	152.99000000	4K00F1E
1	1	152.99750000	4K00F1D
1	1	152.99750000	4K00F1E
2	1	152.99750000	4K00F1E
2	1	152.99750000	4K00F1D
5	1	154.48250000	4K00F1E
5	1	154.48250000	4K00F1D
6	1	154.48250000	4K00F1E
6	1	154.48250000	4K00F1D
3	1	154.54750000	4K00F1D
3	1	154.54750000	4K00F1E
4	1	154.54750000	4K00F1E
4	1	154.54750000	4K00F1D
5	1	154.61000000	4K00F1E
5	1	154.61000000	4K00F1D
6	1	154.61000000	4K00F1D
6	1	154.61000000	4K00F1E
6	1	157.52250000	4K00F1E
6	1	157.52250000	4K00F1D
4	1	157.59750000	4K00F1E
4	1	157.59750000	4K00F1D
2	1	157.62750000	4K00F1D
2	1	157.62750000	4K00F1E
2	1	157.71750000	4K00F1D
2	1	157.71750000	4K00F1E
4	1	158.32500000	4K00F1D
4	1	158.32500000	4K00F1E
6	1	158.33250000	4K00F1E
6	1	158.33250000	4K00F1D
4	1	159.53250000	4K00F1D
4	1	159.53250000	4K00F1E
4	1	159.54750000	4K00F1E
4	1	159.54750000	4K00F1D
2	1	159.61500000	4K00F1E
2	1	159.61500000	4K00F1D
6	1	159.67500000	4K00F1D
6	1	159.67500000	4K00F1E
2	1	159.71250000	4K00F1D
2	1	159.71250000	4K00F1E
2	1	159.72750000	4K00F1D
2	1	159.72750000	4K00F1E
6	1	159.72750000	4K00F1D
6	1	159.72750000	4K00F1E
6	1	159.97500000	4K00F1D
6	1	159.97500000	4K00F1E
6	1	160.09500000	4K00F1D
6	1	160.09500000	4K00F1E
4	1	160.10250000	4K00F1D
4	1	160.10250000	4K00F1E

Licensed locations

Location	Type	Address	Coordinates	Ground elevation	Structure	Height
1	T	El Dorado, EL DORADO, EL DORADO, CA	38.63111111, -120.85722222	577.000 m	GTOWER	15.200 m structure / 15.200 m overall
2	T
3	T	Mt Bullion, Mariposa, MARIPOSA, CA	37.53686111, -120.06308333	1226.800 m	GTOWER	36.500 m structure / 36.500 m overall
4	T
5	T	BLUE RIDGE LOOKOUT, EXETER, TULARE, CA	36.28527778, -118.83944444	1700.800 m	GTOWER	22.900 m structure / 22.900 m overall
6	T

Antennas

Location	Antenna	Type	Height	Radiation center
1	1	T	15.200 m	163.900
1	2	T
1	3	T	36.500 m	651.300
1	4	T
1	5	T	22.900 m	770.200
1	6	T

Control points

Number	Address	County	Phone
1	1601 NEPTUNE DRIVE, SAN LEANDRO, CA	ALAMEDA	5108959500

License history

Date	File or call sign	Action
2026-06-11	WSND831	LIISS

Sources and provenance

Source	Source record	Retrieved	Match
ULS	5317599	2026-08-02 01:14:20	Official Bulk Record

Selected field provenance

Field	Displayed value	Source	Observed
Call Sign	WSND831	ULS 5317599	2026-08-02 01:14:20
Status	A	ULS 5317599	2026-08-02 01:14:20
Service	IG	ULS 5317599	2026-08-02 01:14:20
Grant Date	2026-06-11	ULS 5317599	2026-08-02 01:14:20
Expiration Date	2036-06-11	ULS 5317599	2026-08-02 01:14:20