OBSERVATORY UPICE APRIL 2004 CZECH REPUBLIC FREQUENCY 32.8 MHz OBSERVING PERIOD 32.8 MHz 1. - 30. 0500 1700 APR FREQ STATION TYPE START TIME OF DUR FLUX DENS. REMARKS 2004 TIME MAXIMUM MIN PEAK MEAN UT UT 6 33 UPIC 46 C 1232.0 1235.5 15.0 NOT 33 UPIC 47 GB 1314.0 1318.0 13.0 CALIBRATED 8 33 UPIC 46 C 0952.0 1004.5 24.0 33 UPIC 46 C 1304.0 1305.5 4.5 12 33 UPIC 45 C 1226.5 1227.0 1.5 33 UPIC 46 C 1401.0 1402.0 2.5 27 33 UPIC 48 C 0718.0 0724.0 9.0