select one of six antennas to either of two transceivers

All RF - connections are made RG58 using coaxial cable

The Ham Radio Workbench 4-Port Coax Relay project allows you to connect one radio to four antennas or four radios to one antenna

In a contest setup it is necessary to have an antenna switch automatically controlled

I use 28 VDC here to control all my coaxial relays, so I provided 28 VDC

shows a proven inexpensive home-made antenna selection switch

The technique of powering mast head amplifiersover coaxial feeder

Intelligent antenna controller for SO2R contesting

to switch the rigs between the antenna became a problem

I need a remotely controlled antenna switch for new tower

A solution built around an arduino nano and one of the readily available four relay switching boards, G4HSK

this selector gives solution to the situation it inconveniences of to unplug

aerial selector unit that he had made some time ago and not used

designed to switch between 3 antennas and 4 transceivers

I have a number of switches that allow me to select a range

solution turned out to be the microHAM Double Ten Switch

The remote unit is connected to the control unit

The solution is to make one, and if you're frugal, it'll cost you about $20

To enable switching of a large number of antennas

Quadruple the antenna changeover switch operated by remote control

your IC-706 or IC-7000 to more than one antenna and having them switched automatically

My original Remote Antenna switch was made specifically

The remote relay box is equipped with seven SO239 connectors one for the feed line

l'idea di comperare un commutatore d'antenna

the manual selector switch with an automatic one

Il presente circuito permette di commutare automaticamente, ad ogni cambio banda del transceiver, l'opportuna antenna

antenna in 3 directions with coaxial T's and to use a coax switch

Beverages provide great directivity and reduce the eu clutter significantly

to use a wireless relay to select one of two high current capacity power relays

Creation of a coax entry panel for bringing coax into the home

Home Brew coaxial switch for 160 through 10 meters

32A a rele porti piu di 3KW senza problemi

comparator based RF switch to control an array of 12 Beverage

The switch has been build using several little modules

progettare e realizzare una semplice control box,con indicazione dell'antenna

un sistema a deviatori manuali doppi

Il circuito di base non e altro che un commutatore per due trasmettitori combinato

con un trasformatorino a 12 V alternati mi commuta fino a 4 antenne

scaricatore specifico da applicare sulle linee coassiali

Commutatore d'antenna per HF, controllato da remoto

The results from the RF switch operation are quite satisfying. The overall construction is kept small and low profile. The switch makes a good contact despite being small

For switching the high power levels of our homebrew

The circuit of a FM wireless remote switch presented here is very easy to build

Coax cable and a four-wire control cable connects the shack

The purpose of this remote antenna switch was to be able

I rele' di potenza sono impiegati per la commutazione di carichi AC e DC

I designed and built a remote antenna switch to easily allow two radios

The Relay box outside usually mounted at the antennas feed points location

with 3 sockets on the back and an A/B switch

The relays are 110VAC, because I had 4 of them in my parts boxy

antenna switch that allowed feeding up to 4 antennas from the same feedline

A controller board around a wemos d1 mini, using an esp8266 micro-controller the esp is faster with more ports, way more memory, and better ios

A popular method is to use LED bar drivers

when an antenna is not use the feeder coax is grounded

Three relays for HF antennas, the fourth relay as a UHF/VHF switch,the relays were declared for 10 A

Make a switch that would allow both horizontal, vertical, left hand circular polarization lhcp and right hand circular polarization rhcp

An antenna switch is a very useful accessory

Many years ago I built a remote antenna switch that allowed feeding

Port Remote Antenna Switch. DX Engineering sells the 5 kw relays

I have no preference for 24V relays over 12V relays

switching the relay diodes on, the number of control lines

example, a vertical antenna can be a great radiator on 160 and 80

Control an external device that is connected to the 230V low-voltage network , these are electronic relays with a TRIAC as the switching element

Simple foot switch with bottom made of 1.6mm pcb material

the 6x2 is an antenna switch which can route 6 antennas to 2 radios

costruzione di un commutatore di antenna a 4 ingressi

A remote Wi-Fi antenna switch it is limited in its power handling and frequency bandwidth