Colorado Council of Amateur Radio Clubs Web Portal

       

Frequency Use Plan 33cm (900 MHz)

47 CFR 97.303(n)3: No amateur station shall transmit from those portions of Colorado and Wyoming that are bounded by latitudes 39° and 42° North and longitudes 103° and 108° West in the following segments: 902.4-902.6 MHz, 904.3-904.7 MHz, 925.3-925.7 MHz, and 927.3-927.7 MHz.

Frequency (MHz)TypeSub-bandUsage
902.000 - 902.050Coordinated-Special Repeater Inputs
902.050 - 902.700Non-channelized-Weak Signal
902.700 - 903.000CoordinatedNarrowband RepeaterNarrowband Repeater Inputs
903.000 - 903.700Non-channelized-Weak Signal
903.700 - 906.000Non-channelized-Digital
906.000 - 907.000Coordinated-Coordinator Option – Mixed Mode.
907.000 - 909.000CoordinatedWideband RepeaterWideband Repeater Inputs
909.000 - 915.000CoordinatedATVATV 1
915.000 - 919.000Non-channelized-Digital
919.000 - 921.000CoordinatedWideband RepeaterWideband Repeater Outputs
921.000 - 927.000CoordinatedATVATV 2
927.000 - 927.700ChannelizedNarrowband SimplexNarrowband Simplex
927.700 - 928.000CoordinatedNarrowband RepeaterNarrowband Repeater Outputs

Black text above indicates frequencies not coordinated by CCARC.
Green text indicates channelized but not coordinated frequencies.
Blue frequencies are coordinated by CCARC.

RevDescriptionBy
AInitial release in new format. No changes to content. March 2005.K2AD
BChanges to add 902/927 MHz repeater pairs, additional simplex channels, and data channels. Approved at April 23, 2005 General Membership Meeting.K2AD
CAdded three alternative narrowband inputs 902.0125, 902.0250 and 902.0375. Approved at October 22, 2016 General Membership Meeting.K2AD
DPublish in portal. Approved at 4/23/22 meeting.KI0HC

900ATV: ATV

Coordinated by CCARC
[] shows number of current coordinations.
Click on frequency to list coordinations.

Permitted modes for this sub-band
5M75C3FATV (6MHz channel)
6M0G7WDVB-T (6MHz channel)

FrequencyRemarks
909.000Video 907.25, Aural 915.75, Vestigal sideband filter required.
924.000Video 922.25, Aural 926.75, Vestigal sideband filter required.

900NB: Narrowband Repeater

Coordinated by CCARC
[] shows number of current coordinations.
Click on frequency to list coordinations.

Permitted modes for this sub-band
11K2F3EFM Narrowband Analog Voice
4K00F1WNXDN Ultra Narrow Voice and Data
6K00F7WD-STAR Voice
7K60FXWDMR Voice and Data
8K10F1EP25 Phase I Voice
8K30F7WNXDN Narrow Band Voice and Data
11K2F1DPOCSAG

OutputInputRemarks
927.7000902.7000[1]
927.7125902.7125
927.7250902.7250[1]
927.7375902.7375[1]
927.7500902.7500
927.7625902.7625[1]
927.7750902.7750[1]
927.7875902.7875[1]
OutputInputRemarks
927.8000902.8000[1]
927.8125902.8125[1]
927.8250902.8250[1]
927.8375902.8375[1]
927.8500902.8500[1]
927.8625902.8625[1]
927.8750902.8750[2]
927.8875902.8875
OutputInputRemarks
927.9000902.9000[1]
927.9125902.9125[1]
927.9250902.9250[1]
927.9375902.9375[1]
927.9500902.9500[1]
927.9625902.9625[1]
927.9750902.9750[1]
927.9875902.9875

900SMPLX: Narrowband Simplex

Not coordinated by CCARC

Permitted modes for this sub-band
11K2F3EFM Narrowband Analog Voice
7K60FXWDMR Voice and Data
6K00F7WD-STAR Voice
8K30F7WNXDN Narrow Band Voice and Data
4K00F1WNXDN Ultra Narrow Voice and Data
8K10F1EP25 Phase I Voice
11K2F1DPOCSAG

FrequencyRemarks
927.0000
927.0125
927.0250
927.0375
927.0500
927.0625
927.0750
927.0875
927.1000
927.1125
927.1250
927.1375
927.1500
927.1625
927.1750
927.1875
927.2000
927.2125
927.2250
FrequencyRemarks
927.2375
927.2500
927.2625
927.2750
927.2875
927.3000
927.3125
927.3250
927.3375
927.3500
927.3625
927.3750
927.3875
927.4000
927.4125
927.4250
927.4375
927.4500
927.4625
FrequencyRemarks
927.4750
927.4875
927.5000
927.5125
927.5250
927.5375
927.5500
927.5625
927.5750
927.5875
927.6000
927.6125
927.6250
927.6375
927.6500
927.6625
927.6750
927.6875

900WB: Wideband Repeater

Coordinated by CCARC
[] shows number of current coordinations.
Click on frequency to list coordinations.

Permitted modes for this sub-band
16K0F3EFM Wideband Analog Voice

OutputInputRemarks
919.000907.000
919.025907.025
919.050907.050
919.075907.075
919.100907.100
919.125907.125
919.150907.150
919.175907.175
919.200907.200
919.225907.225
919.250907.250
919.275907.275
919.300907.300
919.325907.325
919.350907.350
919.375907.375
919.400907.400
919.425907.425
919.450907.450
919.475907.475
919.500907.500
919.525907.525
919.550907.550
919.575907.575
919.600907.600
919.625907.625
919.650907.650
OutputInputRemarks
919.675907.675
919.700907.700
919.725907.725
919.750907.750
919.775907.775
919.800907.800
919.825907.825
919.850907.850
919.875907.875
919.900907.900
919.925907.925
919.950907.950
919.975907.975
920.000908.000
920.025908.025
920.050908.050
920.075908.075
920.100908.100
920.125908.125
920.150908.150
920.175908.175
920.200908.200
920.225908.225
920.250908.250
920.275908.275
920.300908.300
920.325908.325
OutputInputRemarks
920.350908.350
920.375908.375
920.400908.400
920.425908.425
920.450908.450
920.475908.475
920.500908.500
920.525908.525
920.550908.550
920.575908.575
920.600908.600
920.625908.625
920.650908.650
920.675908.675
920.700908.700
920.725908.725
920.750908.750
920.775908.775
920.800908.800
920.825908.825
920.850908.850
920.875908.875
920.900908.900
920.925908.925
920.950908.950
920.975908.975