Worldwide Loran-C Signals and Space Weather
August 2008
Receiver: location Nuernberg 49.4159 N 11.1347 W, 8 m vertical antenna, direct conversion to audio, oscillator 99.79 kHz, bandwidth 22 kHz Vertical time scale: 20 minute/pix with hourly ticks (quarter resolution of original 5 min averages) Horizontal time scale: 22050 samples/s, 1.09 ms around expected pulse incidence Colours: brightness proportional to fieldstrength (1/r distance corrected), colour hue shows 100 kHz carrier phase relative to Sylt groundwave |