E-field probes: Comprehensive documents on theory and practice The collection contains the first comprehensive treatise on the theory of e-field probes by Daniel A. Esteban, LU2DDU
	Listen to the last electromechanic transmitter in the world: World Heritage Grimeton Radio (SAQ) on 17.2 kHz
	Baseband VLF WebSDR by DL1DBC as part of the PA3FWM WebSDR project
	Which ferrite material for a given frequency? Have a look into the graphic ferrite material survey to find the appropriate datasheet.
	VIRGO - tracking of meteor radiants a JAVA sky view application for meteorscatter
			VIRGO standalone application https://bitbucket.org/NoGy/virgo/downloads/ maintained by Bastian, DB1BM Please follow the installation hints!