Characteristics of tweeks radio atmospherics observed in Indian low latitude region using AWESOME VLF receiver

In the present work tweeks recorded at Indian low latitude ground station Allahabad (Geomag. lat. 16.05° N) during April 2007 to March 2008 have been used to study the occurrence characteristics, distance & reflection height in the Earth Ionospheric waveguide. Results shows that summer seasons has highest tweek occurrence ~63% and lowest for winter season ~18%. The tweek recorded having maximum mode n=6, tweeks with n=2 are more dominant with occurrence ~70%. Tweeks with n>;3 are more common during early night & maximum tweeks occurs in late night. Average distance traveled by maximum tweeks is in range of ~4000-8000 km.