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Graph Style: Radar Skywave Dopplers

This graph shows time-varying data for all four possible radar skywave Dopplers: primary-primary, primary-secondary, secondary-primary, and secondary-secondary.

Data Provider:Radar Environment - VOACAP

Type: Time-varying data.

Availability: Graphs | Strip Charts

Graph Type: Time XY

Number of Axes: 1

Y Axis

CurveTitleElementTypeDimensionDescription
1Skywave Doppler-PrimaryPrimary (Xm-Sky-Tgt-Sky-Rc)Skywave Doppler-PrimaryPrimary (Xm-Sky-Tgt-Sky-Rc)Real NumberFrequencyThe Skywave Doppler-PrimaryPrimary shift is the offset in frequency between the transmitted frequency and the received frequency for the signal path from the transmitter, off the ionosphere, off the target, off the ionosphere, and then back to the radar receiver. This path could include one or more hops both to and from the target.
2Skywave Doppler-PrimarySecondary (Xm-Sky-Tgt-GndSky-Rc)Skywave Doppler-PrimarySecondary (Xm-Sky-Tgt-GndSky-Rc)Real NumberFrequencyThe Skywave Doppler-PrimarySecondary shift is the offset in frequency between the transmitted frequency and the received frequency for the signal path from the transmitter, off the ionosphere, off the target, off the ground near the target, off the ionosphere, and then back to the radar receiver. This path could include one or more hops both two and from the target.
3Skywave Doppler-SecondaryPrimary (Xm-SkyGnd-Tgt-Sky-Rc)Skywave Doppler-SecondaryPrimary (Xm-SkyGnd-Tgt-Sky-Rc)Real NumberFrequencyThe Skywave Doppler-SecondaryPrimary shift is the offset in frequency between the transmitted frequency and the received frequency for the signal path from the transmitter, off the ionosphere, off the ground near the target, off the target, off the ionosphere, and then back to the radar receiver. This path could include one or more hops both to and from the target.
4Skywave Doppler-SecondarySecondary (Xm-SkyGnd-Tgt-GndSky-Rc)Skywave Doppler-SecondarySecondary (Xm-SkyGnd-Tgt-GndSky-Rc)Real NumberFrequencyThe Skywave Doppler-SecondarySecondary shift is the offset in frequency between the transmitted frequency and the received frequency for the signal path from the transmitter, off the ionosphere, off the ground near the target, off the target, off the ground near the target, off the ionosphere, and then back to the radar receiver. This path could include one or more hops both to and from the target.