Radio Observatorio de Jicamarca - Instituto Geofísico del Perú
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1 JRO Operations
2
3 INCOHERENT ECHOES
4 Experiments summary EXPERIME NTS MEASURED PARAMETERS RANGE (km) RESOLUTION (HEIGHT TIME) ANTENNA TRANSMITTER S (POWER) Duty Cycle (%) HYBRID2 (Long Pulse-LP and Double pulse Faraday- DP) Electron density Ti Te Compositi on LP: DP: km, 15min Main Antenna (all) 2(3) Txs (pow=1mwc/u) 3.84% MST-ISR 2 (ISR) Vertical Drift Electron Density Zonal Drift Te/Ti km, Main Antenna (all) 2 Txs (pow=1mwc/u) 4.84% DEWD Vertical Drift Zonal Drift km, 5min Main Antenna (all) 2 Txs (pow=1mwc/u) 3.84% DVD Vertical Drift Electron Density km, 5min Main Antenna (all) 2(3) Txs (pow=1mwc/u) 4%
5 Parameters / Exp Modes Measured parameters EW DRIFT + FARADAY EW DRIFT EW DRIFT EW DRIFT + FARADAY Vertical and zonal drifts Vertical and zonal drifts FARADAY FARADAY EW DRIFT + FARADAY -Electron Density -Te, Ti -Composition Measured range km Drifts at LP: km 0-600km DP: km Res (h/t) 5km / 5min 5km / 5min 3.75km / 15min Antenna All Antenna 1/2 Antenna All Antenna (East and West) Transmitters 2 (1Mw each) 1Mw 2 (1Mw each) Duty cycle 4% 4.5% (1.92%) 3.84% - Electron Density -Te, Ti DP: km 5km / 15min 1/2 Antenna (North and South) 2 (1Mw each) 1.5% (0.74%)
6
7 - Faraday
8 - Faraday - EW Drift
9 Experiment pulses - Faraday
10 Experiment pulses EW Drifts
11 Pattern EW Drift Antenna
12
13
14
15
16 Pattern Faraday
17 Faraday mode: Off-perp ISR Ne profiles are obtained from the phase difference between circular propagation modes. Te and Ti are obtained from fits of measured ISR ACFs. Technique developed by Farley (1969) and improved by Hysell et al (2008). Ne Te Ti
18
19 COHERENT ECHOES
20 Experiments summary EXPERIMENTS MEASURED PARAMETERS RANGE (km) RESOLUTION (HEIGHT, TIME) ANTENNA TRANSMITTER (POWER) Duty Cycle (%) JASMET Zonal and Medirional drift 5km,1 h Yagis Array (4tx, 5 rx) TOMCO (20kW) 4.8% METEORS Meteor characteristics m, Main Antenna -Up polarization (ON-AXIS) 2 Txs (pot=1mwc/u) 3% (BARKER1 3) 150km Drifts 150km km, 5min Main Antenna (2 Quarters) 3 MST (20kW c/u) 0.8% JULIA EW EEJ (Yagi) km Oblique Yagi Array 1 TOMCO (12kW) 0.4% ESF Drift ESF km, 25seg Main Antenna (2 quarters) 1 MST (20kW) 0.4% IMAGING EEJ 150km m ESF km 300m 8 modules of Main Antenna MST 2 ATRAD (16kW) 2Tx (1M W) 0.2 % 8.96% 4% BISTATIC RADAR Electron density m, 5min Yagis Array (Jicamarca y Ica) TOMCO (12kW) 2.08% MST-ISR 2 (MST) Mesosphere Drift m Main Antenna (all) 2 Txs (pot=1mwc/u) 4.84%
21 JULIA EW 150km echoes Jicamarca Unattended Long-term Investigations of the Ionosphere and Atmosphere
22 JULIA EW 150km echoes Jicamarca Unattended Long-term Investigations of the Ionosphere and Atmosphere Tx and Rx
23
24
25 Result
26 JULIA EW ESF
27 JULIA EW ESF Tx (down)
28 JULIA EW ESF Tx (down) Rx (down)
29
30
31 Result
32 IMAGING Tx (Up) Rx (Up)
33
34 FALTA AÑADIR MOVIE FINAL
35 FALTA AÑADIR MOVIE FINAL
36 BISTATIC Jicamarca ESI (ICA) Receiver: ESI Transmit: ROJ Param. Frequency Valor 49.92MHz #Antennas 16 x 2 synch PPS (GPS)
37 Result
38 Result
39 Result
40 JASMET Jicamarca All-sky Specular MEteor Radar
41 JASMET Jicamarca All-sky Specular MEteor Radar Tx Antenna
42 JASMET Jicamarca All-sky Specular MEteor Radar Tx Antenna Rx Antenna
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