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Western Washington Amateur Relay Association

WWARA BAND PLANS
Spectrum Use Considerations

Definitions: NBFM 16 kHz nominal bandwidth VNBD 12.5 kHz nominal bandwidth UNBD 6.25 kHz nominal bandwidth

10-Meter Band
29.5200 - 29.5800 Repeater Inputs 20 kHz Spacing1 2 4
29.6000 Simplex
29.6200 - 29.6800 Repeater Outputs 20 kHz Spacing1 3 4
Notes:
1 20kHz channel spacing
2 Paired with repeater outputs + 0.1MHz
3 Paired with repeater inputs - 0.1MHz
4 WWARA coordination recommended

6-Meter Band
50.0000 50.1000 CW Only
50.0600 50.0800 Beacon Sub-band
50.1000 50.3000 SSB, CW
50.1000 50.1250 DX Window
50.1250 SSB Calling
50.3000 50.6000 All Modes
50.6000 50.8000 Digital Non-Voice Communications1
50.6200 Packet Calling Frequency
50.8000 51.8000 Radio Control1
51.0000 51.1000 SSB Pacific DX Window
51.1000 52.2900 FM Repeater inputs1 2 3 4
52.3100 52.5500 FM Non-Data, Voice Only, Simplex1 5
52.5250 National Simplex Frequency5
52.5700 FM Cross-band Linking Frequency
52.5900 52.7900 Data, Non-Voice, Simplex1
52.8100 53.9900 FM Repeater Outputs1 3 4 6
Notes:
1 20kHz channel spacing
2 Paired with repeater inputs +1.7MHz
3 WWARA coordination recommended
4 52.19/52.99 Shared Non-Protected (SNP) repeater pair
5 52.51, 52.53 not used to protect national simplex frequency
6 Paired with repeater inputs -1.7MHz

2-Meter Band
144.0000 - 144.0500 EME (CW)

144.0500 - 144.1000 General CW and weak signals
144.1000 - 144.2000 EME and weak signal SSB
144.2000 - 144.2750 General SSB operation
144.2750 - 144.3000 Propagation Beacons
144.3000 - 144.5000 New OSCAR subband
144.5000 - 144.6000 FM Repeater/Linear Translator inputs1 2 3 4
144.6000 - 144.9000 FM Repeater inputs1 2 3 4
144.9000 - 145.1000 Digital (Packet) Communications
145.1000 - 145.2000 FM Repeater/Linear Translator outputs1 2 3 4
145.2000 - 145.4900 FM Repeater outputs1
145.5000 - 145.8000 Miscellaneous and experimental modes
145.8000 - 146.0000 OSCAR Sub band
146.0050 Special UNBD Repeater Output #11 6
146.0100 - 146.4000 Repeater inputs1 2 3
146.40625 - 146.50625 VNBD Repeater Outputs1 5
146.5200 - 146.5800 Simplex
146.5200 National Simplex Frequency
146.6000 FM cross-band linking frequency
146.6050 Special UNBD Repeater Input #11 6
146.6200 - 147.3800 Repeater outputs1 2 3
147.3950 Special UNBD Repeater Input #21 6
147.40625 - 147.50625 VNBD Repeater Inputs1 5
147.5200 - 147.6000 Simplex
147.6100 - 147.9900 Repeater inputs1 2 3
147.9950 Special UNBD Repeater Output #21 6
Notes:
1 WWARA coordination recommended
2 Washington, the adjoining States and BC use 20 kHz spacing between repeater channels
3 Repeater channels are on odd frequencies below 146 MHz
and even frequencies above 146 MHz
4 144.53/145.13 and 144.69/145.29 Shared Non-Protected
(SNP) repeater pair
5 146.4125, bottom center frequency; 12.5 kHz steps, 8 channels to 146.5000, + 1 MHz offset; VNBD, UNBD only
6 Two Special UNBD channels, 6.25 kHz bandwidth only

1.25m MHz Band Plan
222.0000 - 222.0250 EME
222.0250 - 222.0990 CW
222.1000 National SSB Calling Frequency
222.1010 - 222.1540 SSB
222.1550 - 222.1700 Beacons
222.1710 - 222.1750 Guard Band
222.1800 - 222.3800 Repeater Inputs1 2
222.4000 Shared Non-Protected (SNP) # 1 Input1
222.4200 - 223.0200 Repeater Inputs: 1 2

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Western Washington Amateur Relay Association
223.0350 - 223.0650 ACSSB Inputs1
223.0800 - 223.2200 Repeater Inputs1 2
223.2400 Shared Non-Protected (SNP) # 2 Input1
223.2600 - 223.3800 Repeater Inputs1 2
223.4000 - 223.4800 FM Simplex/FM Packet2
223.5000 National FM Calling Frequency
223.5200 - 223.5400 Point-to-Point Control1
223.5600 - 223.6600 100 kHz Hi Speed Data Channel # 1
223.6600 - 223.7600 100 kHz Hi Speed Data Channel # 2
223.7800 - 223.9800 Repeater Outputs1 2
224.0000 Shared Non-Protected (SNP) # 1 Output1
224.0900 Cross Band Repeater Freq.
224.0200 - 224.6200 Repeater Outputs1 2
224.6350 - 224.6650 ACSSB Repeater Outputs1
224.6800 - 224.8200 Repeater Outputs1 2
224.8400 Shared Non-Protected (SNP) # 2 Output1
224.8600 - 224.9800 Repeater Outputs1 2
224.9950 - 225.0000 Guard Band
Notes:
1 WWARA Coordination recommended
2 All FM Repeaters and simplex operations are on 20 kHz spacing

70cm Band Plan
420.0000 - 426.0000 ATV repeater, control links and experimental operation1 2 4
421.2500 Video carrier for ATV3
426.0000 - 432.0000 ATV simplex, control links special mode and experimental operation1 2
427.2500 Video carrier for ATV3
430.8000 - 431.0000 Packet radio
432.0000 - 433.0000 Weak signal activities - NO FM ALLOWED
432.1000 National SSB calling
433.0000 - 435.0000 ATV repeater, auxiliary links and repeater links1
434.0000 Video carrier for ATV3
435.0000 - 438.0000 Satellite only by international treaty
438.0000 - 440.0000 Control links, special modes and experimental operation1 4 8
439.8000 - 439.9750 Packet Radio8
440.0000 - 445.0000 Repeater outputs, links and simplex1 5 8
440.0000 Shared Non-Protected Pair (SNP) #1 output
440.0250 Cross band operation6
440.7000 - 440.7750 Packet repeater outputs8
440.8000 - 440.9000 Packet simplex8
441.0000 National Packet simplex frequency
443.0000 Shared Non-Protected Pair (SNP) #2 output
445.0000 - 450.0000 Repeater inputs, links and simplex1 8
445.0000 Shared Non-Protected Pair (SNP) #1 input
445.7000 - 445.7750 Packet repeater inputs8
445.8000 - 445.9000 Voice simplex only7 8

445.8250 Shared Public Service simplex. Other frequencies will be added for this use as they become available
445.9750 - 446.0250 Voice simplex only7 8
446.0000 National FM simplex calling
448.0000 Shared Non-Protected Pair (SNP) #2 input
Notes:
1 WWARA Coordination recommended
2 420 MHz to 430 MHz cannot be used north of line A
3 WWARA will assist with technical ATV requirements only and because there is only one channel per segment, the
WWARA will not coordinate their exclusive use
4 Some control links are coordinated in this band
5 Segments designated simplex do not require coordination
6 This frequency can be used without coordination recommendation for temporary cross band operation from
designated frequencies in other bands. High power, big
antenna arrays and permanent operations are NOT RECOMMENDED. This frequency is afforded no protection.
7 There is some existing activity coordinated within these segments. Efforts are being made to clear
the whole 445.800 through 446.000 MHz segment for exclusive voice simplex operation.
8 NBFM channel spacing is 25 kHz, VNBD spacing is 12.5 kHz.

33cm MHz Band Plan
902.0000 - 902.3000 Weak signal activities - NO FM ALLOWED
902.3000 - 903.0000 Repeater inputs1 2
903.0000 - 904.0000 Experimental Channel 1 3
903.1000 Weak Signal Calling
904.0000 - 912.0000 Channel 1 3
912.0000 - 918.0000 ATV1
918.0000 - 926.0000 Channel 2 3
926.0000 - 927.0000 Experimental Channel 2 3
927.0000 - 927.3000 Digital
927.3000 - 928.0000 Repeater Outputs1 2
927.5000 National FM simplex calling
Notes:
1 WWARA Coordination recommended
2 All FM and data channels at 25 kHz spacing
3 Automatic Vehicle Monitoring (AVM) is the primary user in this segment

23cm MHz Band Plan
1240.000 - 1246.000 ATV #1 3
1246.000 - 1247.000 NB FM Links1 2
1247.000 - 1252.000 D-STAR DD mode repeaters8
1252.000 - 1258.000 ATV #2 3

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Western Washington Amateur Relay Association
1258.000 - 1270.000 Satellite Uplinks, Experimental, Simplex ATV4
1270.000 - 1271.000 D-STAR DV mode repeater inputs5
1270.000 - 1275.000 Repeater Inputs1 2
1275.000 - 1276.000 Narrowband Simplex1 6
1276.000 - 1282.000 ATV #3 3
1282.000 - 1290.000 Wide & Narrow Band FM Links1
1290.000 - 1291.000 D-STAR DV mode repeater outputs5
1290.000 - 1295.000 Repeater Outputs1 2
1292.500 FM cross-band linking frequency
1294.500 National FM simplex call channel
1295.000 - 1297.000 NB, Weak signal - NO FM
1296.100 National SSB call channel
1297.000 - 1300.000 Digital Communications7 8
Notes:
1 All FM simplex and repeater channels are on 25kHz spacing
2 WWARA coordination recommended
3 ATV repeater operation, WWARA coordination recommended
4 Care should be exercised when using this segment to prevent interference to satellite communications
5 Includes other narrowband modes with 25kHz spacing
6 Recommended for D-STAR DV simplex operations
7 Divided into ten 300kHz channels available for D-STAR DD
mode simplex and repeater operations
8 D-STAR DD systems will not be “coordinated” or offered any protection. WWARA will record their existence and make
that information available.

WWARA DIGITAL COORDINATION
The following is the WWARA policy regarding Packet Radio Systems (see the current coordination policies for latest rules):
a. The WWARA shall not issue Certificate of Coordination to any digital systems,
except when the proposed system requires;
1. Use of a standard repeater pair or link frequencies.
2. Use of spectrum previously and or historically coordinated for non-packet relay systems lying outside of established and recognized Packet Radio spectrum.
b. The WWARA shall protect existing coordinated co-site and adjacent frequency repeater from the effects of system performance degradation caused by Packet Radio
Systems. Conventional FCC interference criteria will be used to determine degradation. c. The WWARA shall work with the ARRL, regional coordination organizations, as well
as local and regional Packet Radio organization in the development of band plans that will set out specific band for Packet Radio communications.

SHARED NON PROTECTED REPEATERS
The WWARA has established several Shared Non Protected (SNP) repeater pairs. SNP systems should be registered by frequency and CTCSS tone and be kept current. Registration or Notification of intended use of a SNP frequency may be by either filling out a WWARA Technical data sheet and mailing to the WWARA official mail address or by using the WWARA on-line registration process at www.wwara.org.

Questions not answered in this section should be referred to the appropriate WWARA representative or Board member. See the current coordination policies for the latest rules.

Other guidelines for the use of these frequencies are:
a. All users of these frequencies shall share the use of it.
b. Users receive no interference protection from other co-channel users.
c. All systems shall use CTCSS access or other approved methods of limited access. No COR operation of any kind is permitted. The WWARA Band Chairmen shall track utilization of SNP frequencies within their respective bands and make this information available to all those requesting the same.
d. Operation of SNP systems shall be on a non-interference basis with other coordinated systems as defined in CFR 47, Part 97.
e. Use of SNP frequencies shall be restricted to voice/non-data and shall not be linked to other repeaters.
f. The use of radios capable of cross band operation to facilitate a temporary repeater should not be used for a permanent installation but may be used for specific events not
to exceed the duration of the event (typically two days). Physical separation of the radios should not exceed 1 mile. Transmitter power shall be the lowest power possible
to facilitate communications as per CFR 47, Part 97. The WWARA recommends pre- registering prior to operation. Cross Band Operation section may also apply.
g. The SNP pairs using standard frequency paring are:
6 meters 51.19 - 52.99
2 meters 144.53-145.13 and 144.69 - 145.29
222 MHz 223.12 - 224.72 and 223.24 - 224.84
440 MHz 445.00 - 440.00 and 448.00 - 443.00

h. Power recommendations (elevations in AMSL, Power is ERP in Watts)
0-500' - 20 Watts
501 - 1000' - 10 Watts
1001’ and greater may be recommended on a case by case basis by the WWARA or operated during a declared emergency.

CROSS BAND REPEATER / DUPLEX RADIO RECOMMENDATIONS See the current coordination policies for the latest rules.
Cross band repeater or duplex radios should:
a. Never be used to link to an established repeater system or to link two established repeaters together without the express approval of the repeater owners.
b. Be used for temporary, short duration activities only and never installed as a long-
term communication facility.
c. Utilize the minimum power necessary as per CFR47, Part 97 to accomplish the desired communications. A transmitter placed in the vicinity of the operator should use a
non-radiation load or be configured for minimum power output on a unity gain antenna.
d. Utilize CTCSS decode and encode circuitry to minimize uninvited access and unnecessary frequency congestion. Care should be exercised to use a unique CTCSS tone.
e. Be identified every 10 minutes in accordance with CFR47, Part 97.

f. Be disabled by its operator within 15 minutes of notification of interference or other problems as defined in CFR47, Part 97.
g. Should be continually monitored by the operator to minimize interference.

Recommended cross band frequencies are:
10 Meters 29.6
6 Meters 52.57
2 Meters 146.6
1.25m 224
70cm 440.025
23cm 1292.5

§97.303 FCC Frequency sharing requirements
The following is a summary of the frequency sharing requirements that apply to amateur station transmissions on the frequency bands specified in §97.301 of this Part. (For
each ITU Region, each frequency band allocated to the amateur service is designated
as either a secondary service or a primary service. A station in a secondary service must not cause harmful interference to, and must accept interference from, stations in a primary service. See §§2.105 and 2.106 of the FCC Rules, United States Table of Frequency Allocations for complete requirements.)
(a) Where, in adjacent ITU Regions or sub-Regions, a band of frequencies is allocated to different services of the same category (i.e., primary or secondary allocations), the basic principle is the equality of right to operate. Accordingly, stations of each service in one Region or sub-Region must operate so as not to cause harmful interference to any service of the same or higher category in the other Regions or sub-Regions. (See ITU Radio Regulations, edition of 2004, No. 4.8.)
(b) No amateur station transmitting in the 1900-2000 kHz segment, the 70 cm band, the
33 cm band, the 23 cm band, the 13 cm band, the 9 cm band, the 5 cm band, the 3 cm band, the 24.05-24.25 GHz segment, the 76-77.5 GHz segment, the 78-81 GHz
segment, the 136-141 GHz segment, and the 241-248 GHz segment shall not cause
harmful interference to, nor is protected from interference due to the operation of, the
Federal radiolocation service.
(c) No amateur station transmitting in the 1900-2000 kHz segment, the 3 cm band, the
76-77.5 GHz segment, the 78-81 GHz segment, the 136- 141 GHz segment, and the
241-248 GHz segment shall cause harmful interference to, nor is protected from interference due to the operation of, stations in the non-Federal radiolocation service. (d) No amateur station transmitting in the 30 meter band shall cause harmful interference to stations authorized by other nations in the fixed service. The licensee of the amateur station must make all necessary adjustments, including termination of transmissions, if harmful interference is caused.
(e) In the 1.25 m band:
(1) Use of the 219-220 MHz segment is limited to amateur stations participating, as forwarding stations, in point-to-point fixed digital message forwarding systems, including
intercity packet backbone networks. It is not available for other purposes.
(2) No amateur station transmitting in the 219-220 MHz segment shall cause harmful interference to, nor is protected from interference due to operation of Automated Maritime Telecommunications Systems (AMTS), television broadcasting on channels 11 and 13, 218-219 MHz Service systems, Land Mobile Services systems, or any other service having a primary allocation in or adjacent to the band.

(3) No amateur station may transmit in the 219-220 MHz segment unless the licensee has given written notification of the station's specific geographic location for such transmissions in order to be incorporated into a data base that has been made available to the public. The notification must be given at least 30 days prior to making such transmissions. The notification must be given to:
The American Radio Relay League
225 Main Street
Newington, CT 06111-1494
(4) No amateur station may transmit in the 219-220 MHz segment from a location that is within 640 km of an AMTS Coast Station that uses frequencies in the 217-218/219-220
MHz AMTS bands unless the amateur station licensee has given written notification of the station's specific geographic location for such transmissions to the AMTS licensee.
The notification must be given at least 30 days prior to making such transmissions. The location of AMTS Coast Stations using the 217-218/219-220 MHz channels may be
obtained from either:
The American Radio Relay League
225 Main Street
Newington, CT 06111-1494 or
Interactive Systems, Inc.
Suite 1103
1601 North Kent Street
Arlington, VA 22209
Fax: (703) 812-8275
Phone: (703) 812-8270
(5) No amateur station may transmit in the 219-220 MHz segment from a location that is within 80 km of an AMTS Coast Station that uses frequencies in the 217-218/219-220
MHz AMTS bands unless that amateur station licensee holds written approval from that
AMTS licensee. The location of AMTS Coast Stations using the 217-218/219-220 MHz channels may be obtained as noted in paragraph (e)(4) of this section.
(f) In the 70 cm band:
(1) No amateur station shall transmit from north of Line A in the 420-430 MHz segment. (2) The 420-430 MHz segment is allocated to the amateur service in the United States
on a secondary basis, and is allocated in the fixed and mobile (except aeronautical
mobile) services in the International Table of allocations on a primary basis. No amateur station transmitting in this band shall cause harmful interference to, nor is protected
from interference due to the operation of, stations authorized by other nations in the fixed and mobile (except aeronautical mobile) services.
(3) The 430-440 MHz segment is allocated to the amateur service on a secondary basis in ITU Regions 2 and 3. No amateur station transmitting in this band in ITU Regions 2
and 3 shall cause harmful interference to, nor is protected from interference due to the operation of, stations authorized by other nations in the radiolocation service. In ITU
Region 1, the 430-440 MHz segment is allocated to the amateur service on a co- primary basis with the radiolocation service. As between these two services in this band
in ITU Region 1, the basic principle that applies is the equality of right to operate. Amateur stations authorized by the United States and radiolocation stations authorized
by other nations in ITU Region 1 shall operate so as not to cause harmful interference to each other.

(4) No amateur station transmitting in the 449.75-450.00 MHz segment shall cause interference to, nor is protected from interference due to the operation of stations in, the space operation and space research services.
(g) In the 33 cm band:
(1) In the States of Colorado and Wyoming, bounded by the area of latitude 39° N. to
42° N. and longitude 103° W. to 108° W., an amateur station may transmit in the 902
MHz to 928 MHz band only on the frequency segments 902.0-902.4, 902.6-904.3,
904.7- 925.3, 925.7-927.3, and 927.7-928.0 MHz. This band is allocated on a secondary basis to the amateur service subject to not causing harmful interference to,
and not receiving any interference protection from, the operation of industrial, scientific
and medical devices, automatic vehicle monitoring systems, or Government stations authorized in this band.
(2) No amateur station shall transmit from those portions of the States of Texas and
New Mexico bounded on the south by latitude 31° 41' N, on the north by latitude 34° 30' N, on the east by longitude 104° 11' W, and on the west by longitude 107° 30' W.
(h) No amateur station transmitting in the 23 cm band, the 3.3-3.4 GHz segment, the 3
cm band, the 24.05-24.25 GHz segment, the 76-77.5 GHz segment, the 78-81 GHz segment, the 136-141 GHz segment, and the 241-248 GHz segment shall cause harmful interference to, nor is protected from interference due to the operation of, stations authorized by other nations in the radiolocation service.
(i) In the 23 cm band, no amateur station shall cause harmful interference to, nor is protected from interference due to the operation of, stations in the radionavigation- satellite service, the aeronautical radionavigation service, the Earth exploration-satellite service (active), or the space research service