Other users may give more specific info, but here are the licensed users there:
http://www.infineonraceway.com/
29355 Arnold Dr.
Sonoma, California 95476
38 9 10.08
122 26 54.21
SCCA SAN FRANCISCO REGION
KA82648
Location:
2 - Mobile km radius around centerpoint
38-09-03.7 N, 122-26-51.9 W
151.655
151.685
151.715
151.805
461.2375
463.3625
464.3625
466.2375
466.6125
468.3625
469.3625
WPLP952
Speedway Sonoma
461.9625
462.0875
463.2375
464.75
464.8875
464.9375
468.2375
469.75
WPUW756
Hwy 37 & 121, SONOMA, Sonoma, CA
P: (707)938-8448
Eligibility
90.35a1 - We are in the raceway business and we will use radios to better coordinate our activities.
451.3875
451.5875
456.3875
WNNI239
NORTHERN CALIFORNIA KARTERS
Control Points
SEARS POINT RACEWAY HWY 37 & HWY 121, SONOMA, CA
P: (415)479-3259
463.3625
463.4625
463.5625
463.6375
463.7625
464.55
469.55
WNWR670
RACING RADIOS INC
Operating within a 3.2 km radius around 38-09-32.7 N , 122-27-10.9 W, CA SONOMA County .
466.225
WPJR899
PHELON MOTORSPORTS INC
Operating within a 3.0 km radius around 38-09-32.7 N , 122-27-10.9 W, CA SONOMA County .
462.00
464.05
464.975
466.5625
467.075
WPMR780
WILLARD JR., BARTH S
Eligibility
90.35 - APPLICANT IS ENGAGED IN THE BUSINESS OF SALES & SERVICE OF RACE COMMUNICATIONS TO RACING TEAMS RADIOS WILL BE USED FOR SAFETY BETWEEN PIT CREWS AND DRIVERS
Operating within a 2.0 km radius around 38-09-32.7 N , 122-27-10.9 W, CA SONOMA County .
461.7625
461.875
462.0125
466.075
466.7625
467.025
467.1375
468.675
468.9125
469.05
469.2125
469.45
469.7375
469.925
WPNW604
T BONE MOTOR SPORTS LLC
Eligibility
90.35A1 - RACING TEAM WILL USE RADIOS FOR COMMUNICATION BETWEEN PIT CREWS AND DRIVERS. LOCATIONS ARE KNOWN, HOWEVER DATES AND TIMES ARE NOT.
Operating within a 3.0 km radius around 38-09-32.7 N , 122-27-10.9 W, CA SONOMA County .
451.325
461.725
463.625
463.775
WPOZ250
RALPH DALE EARNHARDT INC
90.35A1 - APPLICANT IS ENGAGED IN THE BUSINESS OF AUTOMOBILE RACING. RADIOS WILL BE USED TO COORDINATE THIS ACTIVITY.
Operating within a 2.0 km radius around 38-09-32.7 N , 122-27-10.9 W, CA SONOMA County .
451.325
451.90
452.05
463.725
464.875
464.90
464.925
464.95
WPZQ463
McLeod Enterprises Inc.
Eligibility
90.35A1 - APPLICANT IS IN THE LATE MODEL RACING CIRCUT RADIOS USED TO COORDINATE THE TEAM IN PREPERATION AND DURING RACE RADIOS USED TO AID IN SECURITY
Operating within a 15.0 km radius around 38-09-51.7 N , 122-27-15.9 W, SONOMA, CA SONOMA County .
456.30
456.35
WQDI269
SPORTSONE AND CO INC
Eligibility
90.35A1 - RACE TEAMS OPERATIONS
Operating within a 8.0 km radius around 38-09-32.7 N , 122-27-10.9 W, SONOMA, CA SONOMA County .
451.1875
451.2375
456.1875
456.2375
WPNY244
KLAUER, TOM
Eligibility
90.35A1 - D12-APPLICANT IS A N AUTO RACER. RADIOS WILL BE USED TO COMMUNICATE BEWTEEN DRIVER AND PIT CREW.
Operating within a 3.0 km radius around 38-09-32.7 N , 122-27-10.9 W, CA SONOMA County .
452.375
452.55
WPQA386
RACING RADIOS INC
Eligibility
90.35A1 - RADIOS WILL BE USED TO COORDINATE DAILY SAFETY, SECURITY, ADMIN OPS, CONCESSIONS AND RACE CARS AT AMJOR RACE TRACKS NATIONWIDE.
Operating within a 2.0 km radius around 38-09-32.7 N , 122-27-10.9 W, CA SONOMA County .
(57 channels between 451.2875 & 469.7125)
http://www.cityfreq.com/ca/sonoma/
151.955 SEARS POINT RACEWAY (previous name of Infineon raceway)
462.3875 SEARS POINT RACEWAY (previous name of Infineon raceway)
467.3875 SEARS POINT RACEWAY (previous name of Infineon raceway)