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SRSP-307.1 Issue 5 May 2006 Spectrum Management and Telecommunications Standard Radio System Plan Technical Requirements for Fixed Line-of-Sight Radio Systems Operating in the Band 7125-7725 MHz Aussi disponible en français – PNRH-307,1

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Page 1: SRSP-307.1 Technical Requirements for Fixed Line of-Sight ...FILE/srsp3071e.pdfTechnical Requirements for Fixed Line-of-Sight Radio Systems Operating in the Band 7125-7725 MHz SRSP-307.1

SRSP-307.1

Issue 5 May 2006

Spectrum Management and Telecommunications Standard Radio System Plan

Technical Requirements for Fixed Line-of-Sight Radio Systems Operating in the Band 7125-7725 MHz

Aussi disponible en français – PNRH-307,1

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Table of Contents

1. Intent ................................................................................................................................................ 1

2. General ............................................................................................................................................. 1

3. Related Documents.......................................................................................................................... 2

4. Radio Frequency Channel Arrangement Description ................................................................. 3 4.1 Radio Frequency Channel Arrangements ................................................................................. 3 4.2 Radio Frequency Channel Centre Frequencies......................................................................... 4 4.3 Branching or Spur Route Channels........................................................................................... 6 4.4 Closed Loops ............................................................................................................................ 6 4.5 Assignment of Frequencies....................................................................................................... 6 4.6 Frequency Pairing for Systems Operating with Frequency Diversity ...................................... 6 4.7 Spectral Efficiency.................................................................................................................... 7 4.8 Protection Channels .................................................................................................................. 7

5. Transmitter Characteristics ........................................................................................................... 7 5.4 Emission Limits ........................................................................................................................ 8

6. Antenna Characteristics ................................................................................................................. 8

7. Maximum Equivalent Isotropically Radiated Power (e.i.r.p.) .................................................. 10

Annex A - Channel Identification and Carrier Frequencies for Sub-plans I and II ........................ 11

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1. Intent

1.1 This Standard Radio System Plan (SRSP) states the minimum technical requirements for the efficient use of the frequency band 7125-7725 MHz by low, medium, and high-capacity (LC, MC and HC) digital point-to-point radio systems in the fixed service.

1.2 This SRSP is intended to be employed in the design and specification of radio systems and

equipment and in the evaluation of technical applications for new radio facilities or modification to radio systems submitted in accordance with the current issue of RSP-113.

1.3 This SRSP specifies equipment characteristics relating to efficient spectrum usage only and is

not to be regarded as a comprehensive specification for equipment design and/or selection. 2. General

2.1 This Standard replaces SRSP-307.1, Issue 4. Revision of this SRSP will be made as required. 2.2 Radio systems conforming to these technical requirements will be given priority in licensing

over non-standard radio systems operating in this band. 2.3 The arrangements for non-standard systems are outlined in SP-Gen. 2.4 The Geographical Differences Policy (GDP) Guideline applies in this frequency band. More

information on the GDP can be found in SP 1-20 GHz.1

2.5 Modifications may be required to a radio system whenever harmful interference2 is caused

even when the system conforms to the requirements of this SRSP. 2.6 When potential conflict between radio systems cannot be resolved, Industry Canada should be

advised. After consultation with the parties concerned, the Department will determine the necessary modifications and schedule of modifications to resolve the conflict.

2.7 The Department may require licensees and/or applicants to use receiver selectivity

characteristics that provide rejection of harmful interference. 2.8 The use of a two-frequency plan is required. Where reasonable economic or technical

justification is provided (e.g. where siting prevents adequate antenna discrimination), extra frequencies may be used to resolve the problem, subject to the provisions of Section 2.4.

1 SP 1-20 GHz, January 1995, contains new spectrum utilization principles including the Geographical Differences Policy

Guideline. This information will be incorporated into a revision of SP-Gen. 2 For the purpose of this SRSP, “harmful interference” means interference which endangers the functioning of a

radionavigation service or of other safety services or seriously degrades, obstructs, or repeatedly interrupts a radiocommunication service operating in accordance with regulations and technical requirements laid down by Industry Canada under the Radiocommunication Act.

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Use of frequency diversity by systems serving telemetry, control and protection purposes is allowed. In these cases however, it should be recognized that space diversity techniques will be encouraged. In cases where route diversity is used it may be necessary to deviate from the preferred two-frequency plans, and such systems will receive the same degree of protection as the preferred system. The use of frequency diversity and route diversity could be considered if economic or technical justification is provided. The applicant must provide all necessary particulars in the licence application together with the overall frequency plan proposed.

2.9 It should be noted that the fixed service shares this band with other services in accordance with

the Canadian Table of Frequency Allocations. 3. Related Documents

The current issues of the following documents are applicable, and available on Industry Canada’s Spectrum Management and Telecommunications website at: http://strategis.ic.gc.ca/spectrum. Canadian Table of Frequency Allocations 9 kHz to 275 GHz SP-Gen General Information Related to Spectrum Utilization and Radio Systems Policies

Revisions to Microwave Spectrum Utilization Policies in the Range of 1-20 GHz SP 1-20 GHz

Gazette Notice DGTP-001-97/ SMSE-001-97

On the Modification of Microwave Spectrum Utilization Policy Provisions for the Band 7125-7725 MHz and the Release of Standard Radio System Plan (SRSP-307.1, Issue 4) Revisions to the Spectrum Utilization Policies in the 3-30 GHz Frequency Range and Further Consultation

SP 3-30 GHz

SP 7125-7725 MHz Policy for the Fixed Service in the Band 7125-7725 MHz

RSP-113 Application Procedures for Planned Radio Stations above 960 MHz in the Fixed

Service Notes Regarding Designation of Emission (Including Necessary Bandwidth and Classification), Class of Station and Nature of Service

TRC-43

Environmental Process, Radiofrequency Fields and Land-use Consultation CPC-2-0-03

CPC - Client Procedures Circular RSP - Radio Standards Procedure SP - Spectrum Utilization Policy TRC - Telecommunications Regulation Circulars

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4. Radio Frequency Channel Arrangement Description

4.1 Radio Frequency Channel Arrangements 4.1.1 The radio frequency channel arrangements defined in this Standard provide for 6 different RF

channel bandwidths. Channel pairs are provided with a common transmit/receive separation of 175 MHz and 150 MHz in sub-plans I and II respectively. Figure 1 illustrates the band structure. See also, Annex A.

Figure 1

4.1.2 The GO/RETURN 30 MHz channels will be allowed for use by the Power Utilities on a

preferential basis. 4.1.3 In the case of spectrum congestion, the spectrum assigned for 30 MHz channels will be open

for users of applications of 20 MHz and less. 4.1.4 Available channel bandwidths:

a. RF channel bandwidths of greater than 20 MHz and less than or equal to 30 MHz. These correspond to channels A1/A1' to A4/A4' in sub-plan I and channels A5/A5' to A8/A8' in sub-plan II.

b. RF channel bandwidths of greater than 10 MHz and less than or equal to 20 MHz. These

correspond to channels B1/B1' to B6/B6' in sub-plan I and channels B7/B7' to B13/B13' in sub-plan II.

c. RF channel bandwidths of greater than 7.5 MHz and less than or equal to 10 MHz. These

correspond to channels C1/C1' to C12/C12' in sub-plan I and channels C13/C13' to C27/C27' in sub-plan II.

d. RF channel bandwidths of greater than 5 MHz and less than or equal to 7.5 MHz. These

correspond to channels D1/D1' to D16/D16' in sub-plan I and channels D17/D17' to D36/D36' in sub-plan II.

e. RF channel bandwidths of greater than 2.5 MHz and less than or equal to 5 MHz. These

correspond to channels E1/E1' to E25/E25' in sub-plan I and channels E26/E26' to E55/E55' in sub-plan II.

f. RF channel bandwidths less than or equal to 2.5 MHz. These correspond to channels F1/F1'

to F50/F50' in sub-plan I and channels F51/F51' to F110/F110' in sub-plan II.

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4.2 Radio Frequency Channel Centre Frequencies 4.2.1 Sub-plan I 4.2.1.1 The centre frequencies of 4 paired channels which allow RF channel bandwidths of 30 MHz

and a transmit/receive separation of 175 MHz, are expressed by the following relationships: Lower half of the band An = 7110 + 30n for n = 1 to 4 Upper half of the band An' = 7285 + 30n for n = 1 to 4

where n is the channel number and An and An' are the centre frequencies in MHz of the paired channels.

4.2.1.2 The centre frequencies of the 6 paired channels which allow RF channel bandwidths of

20 MHz and a transmit/receive separation of 175 MHz are expressed by the following relationships:

Lower half of the band BBn = 7115 + 20n for n = 1 to 6 Upper half of the band BBn' = 7290 + 20n for n = 1 to 6

where n is the channel number and Bn and Bn' are the centre frequencies in MHz of the paired channels.

4.2.1.3 The centre frequencies of the 12 paired channels which allow RF channel bandwidths of 10 MHz and a transmit/receive separation of 175 MHz are expressed by the following relationships:

Lower half of the band Cn = 7120 + 10n for n = 1 to 12 Upper half of the band Cn' = 7295 + 10n for n = 1 to 12

where n is the channel number and Cn and Cn' are the centre frequencies in MHz of the paired channels.

4.2.1.4 The centre frequencies of the 16 paired channels which allow RF channel bandwidths of

7.5 MHz and a transmit/receive separation of 175 MHz are expressed by the following relationships: Lower half of the band Dn = 7126.25 + 7.5n for n = 1 to 16 Upper half of the band Dn' = 7301.25 + 7.5n for n = 1 to 16

where n is the channel number and Dn and Dn' are the centre frequencies in MHz of the paired channels.

4.2.1.5 The centre frequencies of the 25 paired channels which allow RF channel bandwidths of

5 MHz and a transmit/receive separation of 175 MHz are expressed by the following relationships: Lower half of the band En = 7122.5 + 5n for n = 1 to 25 Upper half of the band En' = 7297.5 + 5n for n = 1 to 25

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where n is the channel number and En and En' are the centre frequencies in MHz of the paired channels.

4.2.1.6 The centre frequencies of the 50 paired channels which allow RF channel bandwidths of

2.5 MHz and a transmit/receive separation of 175 MHz are expressed by the following relationships: Lower half of the band Fn = 7123.75 + 2.5n for n = 1 to 50 Upper half of the band Fn' = 7298.75 + 2.5n for n = 1 to 50

where n is the channel number and Fn and Fn' are the centre frequencies in MHz of the paired channels.

4.2.2 Sub-plan II 4.2.2.1 The centre frequencies of 4 paired channels which allow RF channel bandwidth of 30 MHz and

a transmit/receive separation of 150 MHz are expressed by the following relationships:

Lower half of the band An = 7290 + 30n for n=5 to 8 Upper half of the band An' = 7440 + 30n for n= 5 to 8

where An and An' are the centre frequencies in MHz of the paired channels.

4.2.2.2 The centre frequencies of the 7 paired channels which allow RF channel bandwidths of

20 MHz and a transmit/receive separation of 150 MHz are expressed by the following relationships: Lower half of the band BBn = 7295 + 20n for n = 7 to 13 Upper half of the band BBn' = 7445 + 20n for n = 7 to 13

where n is the channel number and Bn and Bn' are the centre frequencies in MHz of the paired channels.

4.2.2.3 The centre frequencies of the 15 paired channels which allow RF channel bandwidths of

10 MHz and a transmit/receive separation of 150 MHz are expressed by the following relationships:

Lower half of the band Cn = 7300 + 10n for n = 13 to 27 Upper half of the band Cn' = 7450 + 10n for n = 13 to 27

where n is the channel number and Cn and Cn' are the centre frequencies in MHz of the paired channels.

4.2.2.4 The centre frequencies of the 20 paired channels which allow RF channel bandwidths of

7.5 MHz and a transmit/receive separation of 150 MHz are expressed by the following relationships:

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Lower half of the band Dn = 7301.25 + 7.5n for n = 17 to 36 Upper half of the band Dn' = 7451.25 + 7.5n for n = 17 to 36

where n is the channel number and Dn and Dn' are the centre frequencies in MHz of the paired channels.

4.2.2.5 The centre frequencies of the 30 paired channels which allow RF channel bandwidths of 5 MHz and a transmit/receive separation of 150 MHz are expressed by the following relationships: Lower half of the band En = 7297.5 + 5n for n = 26 to 55 Upper half of the band En' = 7447.5 + 5n for n = 26 to 55

where n is the channel number and En and En' are the centre frequencies in MHz of the paired channels.

4.2.2.6 The centre frequencies of the 60 paired channels which allow RF channel bandwidths of

2.5 MHz and a transmit/receive separation of 150 MHz are expressed by the following relationships: Lower half of the band Fn = 7298.75 + 2.5n for n = 51 to 110 Upper half of the band Fn' = 7448.75 + 2.5n for n = 51 to 110

where n is the channel number and Fn and Fn' are the centre frequencies in MHz of the paired channels.

4.3 Branching or Spur Route Channels The frequencies assigned to a main route system should be reused on the branching or spur routes where possible. The siting of repeater stations should be planned with this requirement in mind, in order that sufficient antenna discrimination is obtained at the branch-off-angle. 4.4 Closed Loops Systems must be designed so that any closed loop will consist of an even number of hops. 4.5 Assignment of Frequencies In sub-plans I and II, new systems should use the highest available frequency pair that can be successfully coordinated. 4.6 Frequency Pairing for Systems Operating with Frequency Diversity 4.6.1 For frequency diversity, the channels of sub-plan I should be paired with the following

channels of sub-plan II, in accordance with Section 4.5.

a. For digital radio systems with RF channel bandwidths of greater than 20 MHz and less than or equal to 30 MHz: GO channels An/A4+n should be paired with RETURN channels An'/A4+n' where n = 1 to 4.

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b. For digital radio systems with RF channel bandwidths of greater than 10 MHz and less than

or equal to 20 MHz: GO channels Bn/B7+n should be paired with RETURN channels BBn'/B7+n' where n = 1 to 6.

c. For digital radio systems with RF channel bandwidths of greater than 7.5 MHz and less than

or equal to 10 MHz: GO channels Cn/C15+n should be paired with RETURN channels Cn'/C15+n' where n = 1 to 12.

d. For digital radio systems with RF channel bandwidths of greater than 5 MHz and less than

or equal to 7.5 MHz: GO channels Dn/D20+n should be paired with RETURN channels Dn'/D20+n' where n = 1 to 16.

e. For digital radio systems with RF channel bandwidths of greater than 2.5 MHz and less than

or equal to 5 MHz: GO channels En/E30+n should be paired with RETURN channels En'/E30+n' where n = 1 to 25.

f. For digital radio systems with RF channel bandwidths less than or equal to 2.5 MHz: GO

channels Fn/F60+n should be paired with RETURN channels Fn'/F60+n' where n = 1 to 50. 4.7 Spectral Efficiency 4.7.1 Medium and high-capacity digital systems submitted for licensing shall have a minimum

spectral efficiency of 4.4 bit/s/Hz of the RF channel bandwidth on a single polarization. 4.7.2 Low-capacity digital systems submitted for licensing shall have a minimum spectral efficiency

of 2.4 bit/s/Hz of the RF channel bandwidth on a single polarization. 4.8 Protection Channels Single channel systems requiring protection must employ hot standby protection with the exception of systems used for telemetry, control and protection purposes which may employ frequency diversity protection. 5. Transmitter Characteristics

5.1 The transmitter power delivered to the antenna input per RF channel should not exceed the following limit for each bandwidth as shown in Table 1:

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Table 1: Transmitter Characteristics

Power Limit Bandwidth (MHz) watts (dBW)

30 10 10 20 10 10 10 10 10 7.5 7.5 8.8 5 5 7

2.5 5 7 5.2 An increase in transmitter power over the above specified limit may be permitted if technical

justification is provided. In no event will the power delivered to the antenna input be permitted to exceed 20 watts (+13 dBW) per channel.

5.3 The centre frequency of the emission shall be maintained within ± 0.001% of the assigned

frequency. 5.4 Emission Limits 5.4.1 In any 4 kHz band, the centre frequency of which is removed from the assigned frequency by

more than 50% up to and including 250% of the authorized bandwidth, the mean power of emission shall be attenuated below the mean output power of the transmitter in accordance with the following equation:

A = 35 + 0.8 (P - 50) + 10 log10(B) (dB) where: A = attenuation (dB) below the mean output power level P = percent removed from the carrier frequency B = authorized bandwidth (MHz) Note: 1. In no case shall the attenuation be less than 50 dB. 2. Attenuation greater than 80 dB or to an absolute power of less than -13 dBm/MHz is not necessary.

5.4.2 In any 1 MHz band, the centre frequency of which is removed from the assigned frequency by

more than 250% of the authorized bandwidth, the mean power of emission shall be attenuated by 43 + 10 log10 (mean output power in watts) dB, or 80 dB, whichever is the lesser attenuation.

6. Antenna Characteristics

6.1 The co-polarized radiation pattern envelope in the horizontal plane of the antenna must remain within the envelope shown in Figure 2, for both vertical and horizontal polarizations.

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6.2 The antenna shall have a minimum front-to-back ratio of 65 dB. Figure 2

20°

10°

100° 180°

85°

3.5°

-80

-70

-60

-50

-40

-30

-20

-10

0

Azimuth in Degrees from Main Lobe

Ant

enna

Dire

ctiv

ity d

B d

own

from

Mai

n Lo

be

Sca

le C

hang

e

Measured radiation pattern in the horizontal plane must be

within these limits for vertical or horizontal polarizations

5 10 15 20 40 60 80 100 120 140 160 180

0 5 10 15 20 40 60 80 100 120 140 160 180

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7. Maximum Equivalent Isotropically Radiated Power (e.i.r.p.)

The maximum e.i.r.p. from the antenna must not in any case exceed +55 dBW per RF channel. Issued under the authority of the Minister of Industry R.W. McCaughern Director General Spectrum Engineering Branch

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Annex A - Channel Identification and Carrier Frequencies for Sub-plans I and II

Table A1 - Channel Identification and Carrier Frequencies for Sub-plan I

Go (Return) Channels Go (Return) Channels

Channel Bandwidth Channel Bandwidth Frequency (MHz) 30

MHz 20

MHz 10

MHz 7.5

MHz 5

MHz 2.5

MHz

Frequency (MHz) 30

MHz 20

MHz 10

MHz 7.5

MHz 5

MHz 2.5

MHz 7126.25 F1 7301.25 F1' 7127.50 E1 7302.50 E1' 7128.75 F2 7303.75 F2' 7130.00 C1 7305.00 C1' 7131.25 F3 7306.25 F3' 7132.50 E2 7307.50 E2' 7133.75 D1 F4 7308.75 D1' F4' 7135.00 B1 7310.00 B1' 7136.25 F5 7311.25 F5' 7137.50 E3 7312.50 E3' 7138.75 F6 7313.75 F6' 7140.00 A1 C2 7315.00 A1' C2' 7141.25 D2 F7 7316.25 D2' F7' 7142.50 E4 7317.50 E4' 7143.75 F8 7318.75 F8' 7145.00 7320.00 7146.25 F9 7321.25 F9' 7147.50 E5 7322.50 E5' 7148.75 D3 F10 7323.75 D3' F10' 7150.00 C3 7325.00 C3' 7151.25 F11 7326.25 F11' 7152.50 E6 7327.50 E6' 7153.75 F12 7328.75 F12' 7155.00 B2 7330.00 B2' 7156.25 D4 F13 7331.25 D4' F13' 7157.50 E7 7332.50 E7' 7158.75 F14 7333.75 F14' 7160.00 C4 7335.00 C4' 7161.25 F15 7336.25 F15' 7162.50 E8 7337.50 E8' 7163.75 D5 F16 7338.75 D5' F16' 7165.00 7340.00 7166.25 F17 7341.25 F17' 7167.50 E9 7342.50 E9' 7168.75 F18 7343.75 F18' 7170.00 A2 C5 7345.00 A2' C5' 7171.25 D6 F19 7346.25 D6' F19' 7172.50 E10 7347.50 E10' 7173.75 F20 7348.75 F20' 7175.00 B3 7350.00 B3' 7176.25 F21 7351.25 F21' 7177.50 E11 7352.50 E11' 7178.75 D7 F22 7353.75 D7' F22' 7180.00 C6 7355.00 C6' 7181.25 F23 7356.25 F23' 7182.50 E12 7357.50 E12' 7183.75 F24 7358.75 F24'

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Go (Return) Channels Go (Return) Channels

Channel Bandwidth Channel Bandwidth Frequency (MHz) 30

MHz 20

MHz 10

MHz 7.5 5

MHz 2.5

MHz 30

MHz 20

MHz 10

MHz 7.5

MHz 5

MHz 2.5

MHz MHz

Frequency (MHz)

7185.00 7360.00 7186.25 D8 F25 7361.25 D8' F25' 7187.50 E13 7362.50 E13' 7188.75 F26 7363.75 F26' 7190.00 C7 7365.00 C7' 7191.25 F27 7366.25 F27' 7192.50 E14 7367.50 E14' 7193.75 D9 F28 7368.75 D9' F28' 7195.00 B4 7370.00 B4' 7196.25 F29 7371.25 F29' 7197.50 E15 7372.50 E15' 7198.75 F30 7373.75 F30' 7200.00 A3 C8 7375.00 A3' C8' 7201.25 D10 F31 7376.25 D10' F31' 7202.50 E16 7377.50 E16' 7203.75 F32 7378.75 F32' 7205.00 7380.00 7206.25 F33 7381.25 F33' 7207.50 E17 7382.50 E17' 7208.75 D11 F34 7383.75 D11' F34' 7210.00 C9 7385.00 C9' 7211.25 F35 7386.25 F35' 7212.50 E18 7387.50 E18' 7213.75 F36 7388.75 F36' 7215.00 B5 7390.00 B5' 7216.25 D12 F37 7391.25 D12' F37' 7217.50 E19 7392.50 E19' 7218.75 F38 7393.75 F38' 7220.00 C10 7395.00 C10' 7221.25 F39 7396.25 F39' 7222.50 E20 7397.50 E20' 7223.75 D13 F40 7398.75 D13' F40' 7225.00 7400.00 7226.25 F41 7401.25 F41' 7227.50 E21 7402.50 E21' 7228.75 F42 7403.75 F42' 7230.00 A4 C11 7405.00 A4' C11' 7231.25 D14 F43 7406.25 D14' F43' 7232.50 E22 7407.50 E22' 7233.75 F44 7408.75 F44' 7235.00 B6 7410.00 B6' 7236.25 F45 7411.25 F45' 7237.50 E23 7412.50 E23' 7238.75 D15 F46 7413.75 D15' F46' 7240.00 C12 7415.00 C12' 7241.25 F47 7416.25 F47' 7242.50 E24 7417.50 E24' 7243.75 F48 7418.75 F48' 7245.00 7420.00 7246.25 D16 F49 7421.25 D16' F49' 7247.50 E25 7422.50 E25' 7248.75 F50 7423.75 F50'

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Table A2 - Channel identification and Carrier Frequencies for Sub-plan II

Go (Return) Channels Go (Return) Channels

Channel Bandwidth Channel Bandwidth Frequency (MHz) 30

MHz 20

MHz 10

MHz 7.5

MHz 5

MHz 2.5

MHz

Frequency (MHz) 30

MHz 20

MHz 10

MHz 7.5

MHz 5

MHz 2.5

MHz 7426.25 F51 7576.25 F51' 7427.50 E26 7577.50 E26' 7428.75 D17 F52 7578.75 D17' F52' 7430.00 C13 7580.00 C13' 7431.25 F53 7581.25 F53' 7432.50 E27 7582.50 E27' 7433.75 F54 7583.75 F54' 7435.00 B7 7585.00 B7' 7436.25 D18 F55 7586.25 D18' F55' 7437.50 E28 7587.50 E28' 7438.75 F56 7588.75 F56' 7440.00 A5 C14 7590.00 A5' C14' 7441.25 F57 7591.25 F57' 7442.50 E29 7592.50 E29' 7443.75 D19 F58 7593.75 D19' F58' 7445.00 7595.00 7446.25 F59 7596.25 F59' 7447.50 E30 7597.50 E30' 7448.75 F60 7598.75 F60' 7450.00 C15 7600.00 C15' 7451.25 D20 F61 7601.25 D20' F61' 7452.50 E31 7602.50 E31' 7453.75 F62 7603.75 F62' 7455.00 B8 7605.00 B8' 7456.25 F63 7606.25 F63' 7457.50 E32 7607.50 E32' 7458.75 D21 F64 7608.75 D21' F64' 7460.00 C16 7610.00 C16' 7461.25 F65 7611.25 F65' 7462.50 E33 7612.50 E33' 7463.75 F66 7613.75 F66' 7465.00 7615.00 7466.25 D22 F67 7616.25 D22' F67' 7467.50 E34 7617.50 E34' 7468.75 F68 7618.75 F68' 7470.00 A6 C17 7620.00 A6' C17' 7471.25 F69 7621.25 F69' 7472.50 E35 7622.50 E35' 7473.75 D23 F70 7623.75 D23' F70' 7475.00 B9 7625.00 B9' 7476.25 F71 7626.25 F71' 7477.50 E36 7627.50 E36' 7478.75 F72 7628.75 F72' 7480.00 C18 7630.00 C18' 7481.25 D24 F73 7631.25 D24' F73' 7482.50 E37 7632.50 E37' 7483.75 F74 7633.75 F74' 7485.00 7635.00 7486.25 F75 7636.25 F75'

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Technical Requirements for Fixed Line-of-Sight Radio Systems Operating in the Band 7125-7725 MHz SRSP-307.1

14

Go (Return) Channels Go (Return) Channels

Channel Bandwidth Channel Bandwidth Frequency (MHz) 30 20

MHz 10

MHz 7.5

MHz MHz 2.5

MHz 30

MHz 20

MHz 10

MHz 7.5

MHz 5

MHz 2.5

MHz MHz 5

Frequency (MHz)

7487.50 E38 7637.50 E38' 7488.75 D25 F76 7638.75 D25' F76' 7490.00 C19 7640.00 C19' 7491.25 F77 7641.25 F77' 7492.50 E39 7642.50 E39' 7493.75 F78 7643.75 F78' 7495.00 B10 7645.00 B10' 7496.25 D26 F79 7646.25 D26' F79' 7497.50 E40 7647.50 E40' 7498.75 F80 7648.75 F80' 7500.00 A7 C20 7650.00 A7' C20' 7501.25 F81 7651.25 F81' 7502.50 E41 7652.50 E41' 7503.75 D27 F82 7653.75 D27' F82' 7505.00 7655.00 7506.25 F83 7656.25 F83' 7507.50 E42 7657.50 E42' 7508.75 F84 7658.75 F84' 7510.00 C21 7660.00 C21' 7511.25 D28 F85 7661.25 D28' F85' 7512.50 E43 7662.50 E43' 7513.75 F86 7663.75 F86' 7515.00 B11 7665.00 B11' 7516.25 F87 7666.25 F87' 7517.50 E44 7667.50 E44' 7518.75 D29 F88 7668.75 D29' F88' 7520.00 C22 7670.00 C22' 7521.25 F89 7671.25 F89' 7522.50 E45 7672.50 E45' 7523.75 F90 7673.75 F90' 7525.00 7675.00 7526.25 D30 F91 7676.25 D30' F91' 7527.50 E46 7677.50 E46' 7528.75 F92 7678.75 F92' 7530.00 A8 C23 7680.00 A8' C23' 7531.25 F93 7681.25 F93' 7532.50 E47 7682.50 E47' 7533.75 D31 F94 7683.75 D31' F94' 7535.00 B12 7685.00 B12' 7536.25 F95 7686.25 F95' 7537.50 E48 7687.50 E48' 7538.75 F96 7688.75 F96' 7540.00 C24 7690.00 C24' 7541.25 D32 F97 7691.25 D32' F97' 7542.50 E49 7692.50 E49' 7543.75 F98 7693.75 F98' 7545.00 7695.00 7546.25 F99 7696.25 F99' 7547.50 E50 7697.50 E50' 7548.75 D33 F100 7698.75 D33' F100' 7550.00 C25 7700.00 C25'

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Technical Requirements for Fixed Line-of-Sight Radio Systems Operating in the Band 7125-7725 MHz SRSP-307.1

15

Go (Return) Channels Go (Return) Channels

Channel Bandwidth Channel Bandwidth Frequency (MHz) 30 20

MHz 10

MHz 7.5

MHz MHz 2.5

MHz 30

MHz 20

MHz 10

MHz 7.5

MHz 5

MHz 2.5

MHz MHz 5

Frequency (MHz)

7551.25 F101 7701.25 F101' 7552.50 E51 7702.50 E51' 7553.75 F102 7703.75 F102' 7555.00 B13 7705.00 B13' 7556.25 D34 F103 7706.25 D34' F103' 7557.50 E52 7707.50 E52' 7558.75 F104 7708.75 F104' 7560.00 C26 7710.00 C26' 7561.25 F105 7711.25 F105' 7562.50 E53 7712.50 E53' 7563.75 D35 F106 7713.75 D35' F106' 7565.00 7715.00 7566.25 F107 7716.25 F107' 7567.50 E54 7717.50 E54' 7568.75 F108 7718.75 F108' 7570.00 C27 7720.00 C27' 7571.25 D36 F109 7721.25 D36' F109' 7572.50 E55 7722.50 E55' 7573.75 F110 7723.75 F110'