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SERA FREQUENCY UTILIZATION PLAN for 144 - 148 MHz
144.000 - 144.050 EME
CW
144.050 - 144.100
General CW Operation
144.100 CW National Calling Frequency
144.100 - 144.200
EME and Weak Signal SSB
144.200 - 144.300
General SSB Operation
144.200
SSB National Calling Frequency
144.275 - 144.300
Propagation Beacons
144.300 - 144.500
Multi-Mode Operation
144.390 APRS Nationwide (Mode = 1200 Baud FM
Packet)
144.510 - 144.890
FM and D-Star Repeater Inputs
144.910 - 145.090
FM Digital/Packet Simplex and D-Star Repeater Outputs
145.110 - 145.490 FM
and D-Star Repeater Outputs
145.510 - 145.790 FM
Digital/Packet Simplex (Auxiliary)
145.800 - 146.000 Satellite
Sub-Band
146.010 - 146.385 FM
and APCO P25 Repeater Inputs
146.400 - 146.585 FM
Voice Simplex and Alternate Repeater Inputs
146.420 - 146.480
D-Star Voice Simplex and Repeater Inputs
146.520 FM National Calling Frequency
146.610 - 147.390 FM
and APCO P25 Repeater Outputs
147.405 - 147.585
FM Voice Simplex and Alternate Repeater Inputs
147.420 - 147.480
D-Star Voice Simplex and Repeater Inputs
147.600 - 147.990 FM
and APCO P25 Repeater Inputs
________________________________________________________________________
Repeater
Sub-band 144.50 - 145.50 MHz
20 Repeater Pairs, 20 KHz spacing,
600 KHz in/out
144.510
- 145.110
144.530 - 145.130
144.550 - 145.150
144.570 - 145.170
144.590 - 145.190
144.610 - 145.210
144.630 - 145.230
144.650 - 145.250
144.670 - 145.270
144.690 - 145.290
144.710 - 145.310
144.730 - 145.330
144,750 - 145.350
144.770 - 145.370
144.790 - 145.390
144.810 - 145.410
144.830 - 145.430
144.850 - 145.450
144.870 - 145.470
144.890 - 145.490
These
pairs are available for the coordination and assignment of analog FM repeaters.
Their coordination and assignment is determined using nominal FM coordination
guidelines and
other considerations, and those pertinent to co-channel and adjacent channel
assignment.
144.520
- 145.120
144.540 - 145.140
144.560 - 145.160
144.580 - 145.180
144.600 - 145.200
144.620 - 145.220
144.640 - 145.240
144.660 - 145.260
144.680 - 145.280
144.700 - 145.300
144.720 - 145.320
144.740 - 145.340
144.760 - 145.360
144,780 - 145.380
144.800 - 145.400
144.820 - 145.420
144.840 - 145.440
144.860 - 145.460
144.880 - 145.480
of D-Star digital voice
technology (DVT)
repeaters, which is determined using nominal
FM coordination guidelines and other considerations relating to the narrow
bandwidth
signals of DVT
and those pertinent to co-channel and adjacent channel assignment.
D-Star
Only Repeater Pairs (wide offsets)
4 D-Star Only Repeater Pairs, 20
KHz spacing, 2500 KHz in/out
147.420
- 144.920
147.440 - 144.940
147.460 - 144.960
147.480 - 144.980
4
D-Star Only Repeater Pairs, 20 KHz
spacing, 1400 KHz in/out
146.420 - 145.020
146.440 - 145.040
146.460 - 145.060
146.480 - 145.080
IMPORTANT
NOTE:
Due
to the prior assignment of frequencies in these ranges for alternate
FM repeater inputs, these D-Star only pairs may not initially be available in
all areas.
________________________________________________________________________
Digital/Packet Simplex Frequencies
25 Simplex Channels
144.910
144.930 144.950
144.970 144.990
145.010 145.030
145.050 145.070
145.090 145.510
145.530 145.550
145.570
145.590 145.610
145.630 145.650
145.670 145.690
145.710
145.730 145.750
145.770 145.790
________________________________________________________________________
FM Voice Simplex Frequencies
146.400*
146.415*
146.430*
146.445*
146.460*
146.475*
146.490*
146.505*
146.520 146.535
146.550 146.565
146.580 146.595
147.405* 147.420*
147.435*
147.450*
147.465*
147.480*
147.495*
147.510 147.525
147.540
147.555 147.570
147.585
146.520
is the National FM Voice Simplex Calling Frequency
IMPORTANT
NOTE:
= Frequencies
marked with *
are permitted for simplex use as long as it does
not cause interference to nearby
repeater inputs. Please be aware
that SERA coordinates some of
these frequencies as repeater inputs in some areas.
Check the repeater directory in your area to see
if any such repeaters are present.
________________________________________________________________________
D-Star Voice Simplex Frequencies
146.420*
146.440*
146.460*
146.480*
147.420*
147.440*
147.460*
147.480*
IMPORTANT
NOTE:
= Frequencies marked
with *
are permitted for simplex use as long as it does
not cause interference to nearby repeater inputs.
Please be aware that SERA coordinates some of
these frequencies as repeater inputs in some areas.
Check the repeater directory in your area to
see if any such repeaters are
present. The use of these
frequencies for D-Star operation, whether
for simplex or repeater inputs, may impact FM simplex and repeater operations
and their selection
should be carefully considered.
________________________________________________________________________
Standard
Repeater Band 146 - 148 MHz
68 Repeater Pairs, 15 KHz spacing, 600 KHz in/out,
(with alternate input & output frequency pairs shown)
146.010
- 146.610
146.025 - 146.625
146.040 - 146.640
146.055 - 146.655
146.070 - 146.670
146.085 - 146.685
146.100 - 146.700
146.115 - 146.715
146.130 - 146.730
146.145 - 146.745
146.160 - 146.760
146.175 - 146.775
146.190 - 146.790
146.205
- 146.805
146.220 - 146.820
146.235 - 146.835
146.250 - 146.850
146.265 - 146.865
146.280 - 146.880
146.295 - 146.895
146.310
- 146.910
146.325 - 146.925
146.340 - 146.940
146.355 - 146.955
146.370 - 146.970
146.385 - 146.985
146.400
- 147.000
146.415 - 147.015*
146.430 - 147.030*
146.445 - 147.045*
146.460 - 147.060*
146.475 - 147.075*
146.490 - 147.090*
146.505 - 147.105
147.405
- 146.805
147.420 - 146.820*
147.435 - 146.835*
147.450 - 146.850*
147.465 - 146.865*
147.480 - 146.880*
147.495 - 146.895
147.645 - 147.045
147.660 - 147.060 147.675
- 147.075
147.690 - 147.090
147.705 - 147.105
147.765 - 147.165
147.780 - 147.180
147.795 - 147.195
147.810 - 147.210
147.825 - 147.225
147.840 - 147.240
147.855 - 147.255
147.870 - 147.270
147.885 - 147.285
147.900 - 147.300
147.915 - 147.315
147.930 - 147.330
147.945 - 147.345
147.960 - 147.360
147.975 - 147.375
147.990 - 147.390
it is recommended that the frequency pairs marked with *
using these alternate inputs not be
selected for application and assignment for FM repeaters going forward.
Back to Frequency Plan Menu Back to Coordination Changes to the SERA 144-148 MHz FUP approved by action of the SERA Board of Directors on January 05, 2008. HAHjr
interested viewers since
02/07/08
Prior to amendment
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