Antenna Register Netherlands: Click Here
Manuals, Manuals, Manuals, an extreme good site Click Here
IOTA, Island of the Air: Click Here
Contest Calendar: Click here
Repeaternetwork North/East Netherlands (70cm): Click here
Repeaternetwork General Netherlands (2M & 70cm): Click here
Novice cursus: http://www.pa0vro.nl/
Draaddipolen berekenen en zelf bouwen
Draadlengte berekenen: https://k7mem.com/Ant_Element_Lengths.html
Sun Cyclus: https://www.poollicht.be/nl/zonneactiviteit/zonnecyclus.html
Examen vragen N & F: https://pc7x.net/archive/radioexamens/
Real Time Lightning Map: https://www.lightningmaps.org/
Mini 70m Yagi homebuild: http://www.antentop.org/004html/004_p68.htm
Great stuff of PA0FRI: http://www.pa0fri.com/
Many Wire antennas: Click here
Wire Calculator online: http://www.ws6x.com/ant_calc.htm
Make virtual an circuit: http://falstad.com/circuit/
Ferriet rings: https://nl.wikipedia.org/wiki/Ferriet_(magneet)
KIWI SDR servers: http://rx.linkfanel.net/
A nice Gridlocator HERE