https://www.dxzone.com/dx20910/2-way-remotely-operated-hf-antenna-switches.html
2-Way Remotely Operated HF Antenna Switches - Technical Reference/Antenna Switch | The DXZone
A 2-way remotely operated HF antenna switch, based on an idea supplied by G3YEU
remotely operatedantenna switchestechnical referencethe dxzoneway
https://4o3a.com/manual-antenna-controller-s8
4O3A Antenna Switches | Manual Antenna Controler
Manual Antenna Controller S8 is an accessory primarily used with Antenna Genius, Antenna Switch 8x2 or Splitter PS3000RX and other similar devices. S8...
antenna switchesmanual
https://www.epo.org/fr/boards-of-appeal/decisions/w040039eu1
W 0039/04 (Antenna Switches/ERICSSON) du 24.02.2005
antenna switchesericssondu
https://pure.dongguk.edu/en/publications/uwb-antenna-with-frequency-diversity-characteristics-using-pin-di/
UWB antenna with frequency diversity characteristics using PIN-Diode switches - Dongguk University
uwbantennafrequencydiversitycharacteristics