GAGAN

(India)

List of RNSS system characteristics to be provided to the 10th RES-609 Consultation Meeting as per Item 11 c) of the Terms of Reference

I RNSS systems characteristics

I-1 RNSS ITU publication reference

RNSS network name BR network ID ITU publicationreference IFIC No

INSAT-NAV(55) 107540068 API/A/4526 2592INSAT-NAV(55) 107520285 CR/C/2123 2617

INSAT-NAVR(83) 111540557 API/A/7045 2705INSAT-NAVR(83) 312520109/112520045 CR/C/3123 2724INSAT-NAVR(83) 312520109/112520045 CR/C/3123 M-1 2728

INSAT-NAV(93.5)# 112540966 API/A/7965 2732# The GAGAN satellite at 93.5E will be an in-orbit backup satellite for GAGAN at

55°E and 83°E. Hence for the purpose of computation of aepfd INSAT-NAV(93.5) satellite network need not be considered.

I-2 Non-GSO satellite system constellation parameters

Not Applicable

I-3 GSO satellites

I-3A GSO satellite system longitude LonGSOi : 55⁰E, 83⁰E, 93.5⁰E

I-3B GSO satellite system brought into use status The frequency band 1164.45 – 1188.42 has been brought into use at 55⁰E (INSAT-NAV(55)) was brought in to use in May 2011 83⁰E (INSAT-NAVR(83)) was brought in to use in September 2012 93.5⁰E (INSAT-NAV(93.5)) will be brought into use within the 18 months from the date of

the 10th RES-609 CM.

I-4 Maximum circular orbit non-GSO space station pfd versus the elevation angle at 40,000 feet above the Earth’s surface (worst 1 MHz)

Not Applicable

I-5 GSO space station maximum pfd versus latitude and longitude at 40,000 feet above the Earth’s surface (worst 1 MHz)

I-6 Maximum off-axis EIRP density for non-GSO space stations with steerable beams, and antenna pointing information (worst 1MHz)

Not Applicable

I-7 Frequency/Satellite Matrix

Not Applicable

I-8 GSO/non-GSO satellite system spectrum

The level of spectrum emission in each 1 MHz relative to the spectrum value at the worst 1 MHz of the whole band (1 164-1 215 MHz) is provided below as the Spectral Adjustment Factor (SAF) in dB.

Normalised Signal Power Spectrum

Center frequency

(MHz)SAF(dB)

Center frequency

(MHz)SAF(dB)

Center frequency

(MHz)SAF(dB)

Center frequency

(MHz)SAF(dB)

1164 -22.58 1177 -0.35 1190 -13.1 1203 -39.161165 -23.55 1178 -0.75 1191 -18.17 1204 -42.351166 -29.91 1179 -2.12 1192 -19.2 1205 -46.661167 -27.96 1180 -2.58 1193 -21.38 1206 -52.891168 -17.1 1181 -3.94 1194 -24.65 1207 -55.391169 -11.35 1182 -5.35 1195 -28.36 1208 -52.961170 -8.19 1183 -8.44 1196 -33.95 1209 -53.351171 -5.48 1184 -11.67 1197 -34.84 1210 -56.761172 -2.84 1185 -16.51 1198 -29.05 1211 -57.011173 -2.0 1186 -27.31 1199 -26.67 1212 -60.11174 -1 1187 -25.07 1200 -31.21 1213 -60.791175 -0.16 1188 -18.01 1201 -34.13 1214 -62.741176 0.0 1189 -16.79 1202 -37.19 1215 -67.66

I-9 Results of the epfd calculation for an individual system in the worst 1 MHz of the 1   164- 1   215   MHz band

2

II. Technical Contact Person

Name:Mr.ManoharSonnadaTel.: +91 80 2217 2317Fax: +91 80 2351 8884E-mail Address:sonnada@isro.gov.in

Name: Mr.P.V.KumaramohanTel.: +91 80 2217 2382Fax: +91 80 2351 8884E-mail Address: kumaramohan@isro.gov.in. kumaramohanpv@yahoo.com

________________________________

3