The following band utilization plans for the Amateur Radio Repeater sub-band, between 29 and 450 MHz are recommended in the T-MARC areas. With minor exceptions, these band plans are essentially the same as the nationally recognized band plans recommended by the ARRL. They are also recognized by the area digital operations coordinating organization (DMARC). T-MARC will be happy to discuss thes plans with any interested party or group. For frequencies above 900 MHz, T-MARC has not adopted specific band plans. T-MARC intends to follow the ARRL Band Plans for repeater sub-bands above 900 MHz, but will alter these plans to accommodate local area conditions.
29.30-29.51 Amateur Radio OSCAR satellites (NO FM operation)
29.52-29.58 Repeater inputs
29.60.......... International simplex calling frequency
29.62-29.68 Repeater outputs
50.000 50.600 CW/SSB/AM
50.000 50.100 CW only [97.305(c)]
50.060 50.080 Automatically controlled
propagation beacons [97.203(d)]
50.100 50.125 DX Window (for contacts only
with DX stations)
50.110 SSB DX Calling frequency
50.125 SSB U.S. Calling frequency
50.400 AM Calling frequency
50.600 50.780 Digital (can be paired with
51.100 - 51.280 and/or 51.600 - 51.780)
50.800 50.980 Radio-controlled models (Newer
R-C segment - No voice or digital operation)
51.000 51.090 First Pacific DX Window
51.100 51.280* Digital (can be paired with
50.600 - 50.780 and/or 51.600 - 51.780)
51.300 51.480* Repeater Inputs (500 kHz
spacing on 10 even 20 kHz channels)
51.500 51.580* FM Simplex and experimental
(4 channels)
51.600 51.780* Digital (can be paired with
50.60 - 50.780 and/or 51.100 - 51.280)
51.800 51.980* Repeater Outputs (paired with
51.100 - 51.280)
52.000 52.100# Second Pacific DX Window
52.110 52.490* Repeater Inputs (1 MHz
spacing on 20 odd 20 kHz channels)
52.510 52.590* FM Simplex
52.525 National FM Simplex Calling frequency
52.610 52.990* Repeater Inputs (1 MHz
spacing on 20 odd 20 kHz channels)
53.000 + every 100 kHz Radio-Controlled
models (Older R-C segment using wide-band receivers)
53.010 53.090*# FM Simplex and experimental
(4 channels)
53.110 53.490* Repeater Outputs
53.510 53.590*# FM Simplex and experimental
(4 channels)
53.610 53.990* Repeater Outputs
144.00-144.10 CW
144.00-144.50 CW, SSB, AM, Beacons, Satellites, (NO FM or digital operatiom)
144.51-144.89 Repeater inputs
144.91-144.99 Repeater inputs/ outputs "Replexers"
(NO digital)
145.01-145.09 Digital
145.11-145.49 Repeater outputs
145.50-145.80 Digital
145.80-146.00 Satellites (NO FM or digital operation)
146.01-146.40 Repeater inputs
146.415-146.595 Voice simplex (NO repeater or digital operations)
146.52............ National simplex calling frequency
146.61-147.39 Repeater outputs
147.435-147.585 Replexers
(NO digital operation)
147.615-147.99 Repeater inputs
(Below 146 MHz, 20 KHz spaced channels beginning at 144.51. Above 146 MHz, 15 KHz spaced channels beginning at 146.01. 600 KHz repeater input/ output spacing)
222.00-222.15 CW,SSB,Beacons, etc. (NO FM, digital,repeater or link operation)
222.16-222.18 Repeater control & links
222.20-223.38 Repeater inputs
223.40-223.50 Voice Simplex (NO repeater or digital operation)
223.50 National simplex calling frequency
223.52-223.78 Digital
223.80-224.98 Repeater outputs
(20 KHz spaced repeater channels beginning at 222.20, 1.600 MHz repeater input(low)/output(hi) offset)
Note: The 220 MHz band plan has been revised due to the removal of he 220-222 MHZ portion of the band from the Amateur Service effective August 27,1991. The ARRL adopted the interim band plan providing for all existing users. T-MARC reviewed the revised ARRL band plan and adjacent-area band plans and adopted a band plan which is essentially the same as that of the ARRL plan with minor differences to accommodate local needs.
420.0 - 425.0 Misc. repeater, control and link operations
425.0 - 431.0 ATV
430.0 - 431.0 Digital (100 KHz wide-band channels centered at:
430.05, 430.15, 430.25,430.35, 430.45, 430.55, 430.65, 430.85, 430.95
(excluding 430.75))
431.025 - 431.10 Digital (Four 25 KHz-spaced channels)
432.0 - 433.0 CW,SSB,Beacons, etc. (NO FM,
digital, repeater or link operation)
433.0 - 435.0 Repeater and control links
433.400-433.575, 433.325-433.375, 433.600-433.650 Experimental operations
433.675-433.775 Simplex channels (4)
435.0 - 438.0 Satellites (NO FM, digital, repeater or link operation)
438.0 - 444.0 ATV
440.0 - 440.9 Repeater control and links
440.925 - 441.075 Digital (Seven 25 KHz-spaced channels)
In Greater Baltimore and DC area, observation of 7-11pm quiet hours encouraged
441.1 - 441.975 Repeater control and links
442.0 - 444.975 Repeater inputs and outputs
(Repeater inputs on ODD 25 KHz channels, i.e. 442.025-in/
447.025-out,447.000-in/442.000-out, 449.100-in/444.100-out)
445.0 - 445.9 Repeater control and links
445.925 - 446.000 Voice simplex, Four 25 KHz channels
(NO repeater, control, link or digital operation)
446.00 National voice simplex frequency
446.025-46.075 digital channels (3-25 khz) (NEW)
446.1 - 446.975 Repeater and control links
446.20 Remote base intertie
447.0 - 449.975 Repeater outputs and inputs (See 442.0 - 444.975)
FREQUENCY
UTILIZATION PLAN for 902-928 MHz
902.0000 –
902.2875 SSTV, FAX, ACSSB, Experimental
902.2125 – 902.4625 Auxiliary FM Duplex Link Input Frequency
Pairs
902.4875 – 902.7250 FM Repeater Inputs & designated
simplex (25 MHz split - 12.5 KHz spacing)
902.5000
-
FM Simplex Calling Channel (1 of 2)
902.7375 – 903.0500 EME Exclusive
903.0700 – 903.0800 CW Beacons
903.1000
-
CW, SSB Calling Frequency
903.4000 – 903.6000 Cross Band Linear Translator Inputs
903.6000 – 903.8000 Cross Band Linear Translator Outputs
903.8000 – 904.0000 Experimental Beacons Exclusive
904.0000 – 906.0000 Digital Communications
906.0000 – 907.0000 Narrow Band FM Simplex (grandfathered
system - 25 KHz channels)
906.5000
-
Old National Calling Frequency (granfathered)
907.0000 – 910.0000 FM Repeater Inputs (12 MHz split - 100 KHz spacing)
910.0000 – 916.0000 ATV
916.0000 – 918.0000 Digital Communications
918.0000 – 919.0000 Narrow Band FM Control Links/Remote Bases
919.0000 – 922.0000 FM Repeater Outputs (12 MHz split - 100 KHz spacing)
927.0125 – 927.9875 Auxiliary Simplex & Link Frequencies
927.2125 – 927.4625 Auxiliary FM Duplex Link Input
Frequency Pairs
927.4875 –
927.7250 FM Repeater Outputs& designated
simplex (25 MHz split - 12.5 KHz spacing)
927.5000
-
FM Simplex Calling Channel (2 of 2)
927.7375 – 927.7875 Old SERA FM Voice Simplex Channels
(grandfathered)
922.0000 – 928.0000 Wideband Experimental, ATV, Simplex,
Spread Spectrum
___________________________________________________________________
20
FM Repeater Pairs
12.5 KHz spacing between channels, 25 MHz Duplex in/out
902.4875 -
927.4875 Itinerant repeater
allocation
Reserved for itinerant and short term use during a special event or emergency
with no formal coordination required. Trustees/Owners are encouraged to
notify their local coordinator to inform them of system parameters and expected
duration of use.
Regular FM Repeater Service – assignable in order
1st
pair - 902.5125 - 927.5125 2nd pair -
902.5250 - 927.5250 3rd pair -
902.5375 - 927.5375
4th pair -
902.5500 - 927.5500 5th pair -
902.5625 - 927.5625 6th pair -
902.5750 - 927.5750
7th pair -
902.5875 - 927.5875 8th pair -
902.6000 - 927.6000 9th
pair - 902.6125 - 927.6125
10th pair -
902.6250 - 927.6250 11th pair - 902.6375 -
927.6375 12th pair - 902.6500 - 927.6500
13th pair -
902.6625 - 927.6625 14th pair - 902.6750 -
927.6750 15th pair - 902.6875 - 927.6875
16th pair -
902.7000 - 927.7000 17th pair - 902.7125 -
927.7125 18th pair - 902.7250 - 927.7250
___________________________________________________________________
29
FM Repeater Pairs
100 KHz spacing between channels, 12 MHz Duplex in/out
907.100 -
919.100 Itinerant repeater allocation
907.200 - 919.200 Itinerant repeater allocation
Reserved for itinerant and short term use during a special event or emergency
with no formal coordination required. Trustees/Owners are encouraged to
notify their local coordinator to inform them of system parameters and expected
duration of use.
Regular FM Repeater Service –assignable in order
1st
pair - 907.300
- 919.300 2nd pair - 907.400 -
919.400 3rd pair - 907.500 - 919.500
4th pair - 907.600 -
919.600 5th pair - 907.700 -
919.700 6th
pair - 907.800 - 919.800
7th pair - 907.900 -
919.900 8th
pair - 908.000 - 920.000
9th pair - 908.100 - 920.100
10th pair - 908.200 -
920.200 11th pair -
908.300 - 920.300 12th
pair - 908.400 - 920.400
13th pair - 908.500 -
920.500 14th pair -
908.600 - 920.600 15th
pair - 908.700 - 920.700
16th pair - 908.800 -
920.800 17th pair -
908.900 - 920.900 18th
pair - 909.000 - 921.000
19th pair - 909.100 -
921.100 20th pair -
909.200 - 921.200 21st
pair - 909.300 - 921.300
22nd pair - 909.400 - 921.400
23rd pair - 909.500 - 921.500 24th
pair - 909.600 - 921.600
25th pair - 909.700 -
921.700 26th pair -
909.800 - 921.800 27th
pair - 909.900 - 921.900
_________________________________________________________________FM Voice Simplex Channels
902.5000
927.5000
906.5000 (old national – retained under
grandfather clause)
_________________________________________________________________
32 Auxiliary Simplex Link
Frequencies
Specific Vertical or Horizontal Antenna Polarization Required
12.5
KHz spacing between channels
vertical
927.0125
horizontal 927.0250
vertical 927.0375
horizontal 927.0500
vertical
927.0625 horizontal
927.0750 vertical
927.0875
horizontal 927.1000
vertical
927.1125
horizontal 927.1250
vertical 927.1375
horizontal 927.1500
vertical
927.1625
horizontal 927.1750
vertical 927.1875
horizontal 927.2000
vertical
927.8000
horizontal 927.8125
vertical 927.8250
horizontal 927.8375
vertical
927.8500
horizontal 927.8625
vertical 927.8750
horizontal 927.8875
vertical
927.9000
horizontal 927.9125
vertical 927.9250
horizontal 927.9375
vertical
927.9500
horizontal 927.9625
vertical 927.9750
horizontal 927.9875
_________________________________________________________________
22 Auxiliary Duplex Link Frequency PairsSpecific Vertical or Horizontal Antenna Polarization Required12.5 KHz spacing between channels with 25 MHz Duplex in/out
vertical 902.2125 -
927.2125
horizontal 902.2250 -
927.2250 vertical
902.2375 - 927.2375
vertical 902.2500 - 927.2500 horizontal 902.2625 -
927.2625 vertical
902.2750 - 927.2750
vertical 902.2875 -
927.2875 horizontal
902.3000 - 927.3000 vertical 902.3125
- 927.3125
vertical
902.3250 - 927.3250
horizontal 902.3375 -
927.3375 vertical
902.3500 - 927.3500
vertical
902.3625 - 927.3625
horizontal 902.3750 -
927.3750 vertical
902.3875 - 927.3875
vertical
902.4000 - 927.4000 horizontal 902.4125 -
927.4125 vertical
902.4250 - 927.4250
vertical
902.4375 - 927.4375
horizontal 902.4500 - 927.4500 vertical 902.4625 - 927.4625
vertical
902.4750 - 927.4750
__________________________________________________________________
Digital Packet Simplex Channels
904.000
to 906.000 MHz - channel every 25 KHz
916.000 to 918.000 MHz - channel every 25 KHz
FREQUENCY UTILIZATION PLAN for 1240-1300 MHz
1240.00 - 1246.00 ATV #1
1246.00 - 1248.00 NBFM point to point links
and digital duplex
1248.00 - 1258.00 Digital Communications
1252.00 - 1258.00 ATV #2
1258.00 - 1260.00 NBFM point to point links
and digital duplex
1260.00 - 1270.00 Satellite up links,
experimental simplex ATV
1270.00 - 1276.00 FM Repeater inputs, 239
pairs, every 25 KHz
1271.00 - 1283.00 Non-coordinated test pair
1276.00 - 1282.00 ATV #3
1282.00 - 1288.00 FM Repeater outputs
paired with 1270-1276 GHz
1288.00 - 1294.00 Wide Band experimental,
simplex ATV
1294.00 - 1295.00 Narrow Band FM simplex,
every 25 KHz
1294.50
National simplex calling channel
1295.00 - 1297.00 Narrow Band weak signal
(No FM)
1295.00 - 1295.80 SSTV, FAX, & ACSSB
experimental
1295.00 - 1296.00 Reserved for EME & CW
expansion
1296.00 - 1296.05 EME - exclusive
1296.07 - 1296.08 CW Beacons
1296.10
CW, SSB Calling Frequency
1296.40 - 1296.60 Cross Band linear
translator output
1296.80 - 1297.00 Experimental Beacons -
exclusive
1297.00 - 1300.00 Digital Communications
NOTE: This represents the
ARRL recommended 1.2 GHz. Band Plan.
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