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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
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