Transmitter: SXV (Marathon, Greece), receiver: DF6NM (Nuernberg, Germany)
Colour-DF screenshots Feb 10-11, 2006:
vertical: frequency 135.6 to 135.9 kHz (5 Hz/pix), horizontal: time , 22:40 to 01:40 (1.5 s/pix)
Animated scattergram: Doppler vs delay (one frame per minute)
left panel: current part of spectrogram screenshot (quadrature component of complex H / E antenna ratio)
right: scattergram (2-D FFT of spectrogram), vertical: delay -25 to +100 ms (2.5ms/pix), horizontal: Doppler -0.33 Hz to 0.33 Hz (3.3 mHz/pix)
- reload to repeat gif animation -
High resolution spectrogram:
vertical: Doppler -0.33 Hz to 0.33 Hz (3.3 mHz/pix, using 10...20 ms delay window)
horizontal: time 22:42:30 to 01:37:30 (1 minute/pix, 5 minute window)
SpecLab simulation of the effect of multipath on the directional display:
