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High Frequency RadarsandIonospheric
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Earth's Ionosphere●●●●●Pl
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Radio Waves in PlasmasPlane Wave El
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Appleton EquationA magneto-plasma i
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Virtual Height and Density Profiles
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Propagation through a LayerhmEfoE
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What is an Ionosonde and what does
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Courtesy IPSClassic Ionogram
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Digisonde 256 DataIonogram data wit
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Dynasonde21Dynasonde Ionogram Analy
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●●Plasma Physics with Ionosonde
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Analysis Background●●High SNR v
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Circular Polarization
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Polarization Example
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●Radar TimingT 0is the start of a
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●●●Precision RangeUse the hig
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Doppler Shift●●●Doppler shift
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Interferometry k 1 2DResearch Oppor
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End of Section 1Questions?
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Ionosonde History● The first rada
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Courtesy Manila Ionosphere Observat
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Manual Scaling SheetsA month (Jan 1
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NOAA Dynasonde DataCourtesy of Brit
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Expert System forIonogram Reduction
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Autoscala●●●●●Italian aut
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ARTISTDirectogramVelocitiesSkymapIo
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VIPIR Radar FeaturesVery high inter
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Wallops Island VIPIR hardwarePower
- Page 58 and 59: What makes a World Class Ionosonde?
- Page 60 and 61: Transmit Antenna Performance
- Page 62 and 63: Receive Antennas4m dipoles , 5m hig
- Page 64 and 65: Radar Engineering
- Page 66 and 67: Fresnel ZoneD, AThe area over which
- Page 68 and 69: Atmospheric Noise Factor at HF●No
- Page 70 and 71: SignalS= P t G t 1 2 G r16 R 2 L p
- Page 72 and 73: SNR Example (1 MHz)●●●Antenna
- Page 74 and 75: End of Section 2Questions?
- Page 76 and 77: SPGR●●●●●●The virtual h
- Page 78 and 79: Ramps, Repeats and Ionograms●●
- Page 80 and 81: TimeTimeTimeShuffle ModeInterleave
- Page 82 and 83: Shuffle Mode Fixed Frequency
- Page 84 and 85: Space Shuttle Modified IonosphereMo
- Page 86 and 87: VIPIR Operation●●●Operating t
- Page 88 and 89: Sounding Configuration Table●●B
- Page 90 and 91: SCT Timing! Timing of the measureme
- Page 92 and 93: SCT Receiver and Exciter! Receiver
- Page 94 and 95: Floating Point Output● Digital Do
- Page 96 and 97: Large Signal TestsInternal noise is
- Page 98 and 99: Preamp Calibration
- Page 100 and 101: San Juan upgrade and calibrationApr
- Page 102 and 103: Wallops Rx Cables: After
- Page 104 and 105: ●●DC bias in Calibration Circui
- Page 106 and 107: Free VIPIR Software●riq-ionogram
- Page 110: Credits●●●●●●●●●