◘Research Publications by using SID Monitoring System◘ Diurnal Variation of VLF Radio wave Signal Strength at 19.8 and 24 KHz Received at Khatav India (16046’N, 75053’E) Show Paper Effect of Solar X-ray Flares on VLF Radio Wave Signal Strength at 19.8 and 24 kHz Received at Khatav (India) (16°46’N, 75 53’E) Show Paper Fiel Strength Measurement of VLF Waveguide of VLF RadioWave Propagation at 19.8 KHz betwen Australia and India Show Paper NON-RECIPROCITY OBSERVED BY THE VLF RECEPTION OF NWC (19.8 KHZ) OVER TRANS-EQUATORIAL EAST-WEST PATHS TO INDIA WITH RECEPTION OVER A NON-EQUATORIAL WEST-EAST PATH OF SIMILAR LENGTH TO DUNEDIN, NEW ZEALAND Show Paper