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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