Homebrew manual antenna switch

 · I used it to switch from the link coupled output from my one tube homebrew transmitter, Maybe 4 watts out on 80M, to my Hallicrafters S38d Reciever's antenna terminal. My antenna was a 66 ft long wire from my attic hamshack window to a tree. I was a high school kid and had no coax, connectors or relays, or wealthy relatives at that time. The transmatch, or ham radio antenna tuner, is a variable impedance matching device. It is used between the transmission line of an HF antenna system and a transceiver or transmitter. Its purpose is to make the antenna system "look like" a purely resistive load - usually 50 Ohms for the vast majority of ham radio transceivers or receivers nowadays. MFJ C Antenna Switches are deluxe high-power combination antenna and transceiver switches. They contain two ceramic (2) Loading. $ Free Shipping. Order this product and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United www.doorway.rug: homebrew.

An easy and inexpensive antenna coax switch for antennas using the S connectors. This most often includes ham radio and CB antennas. You can use this. I am too lazy change often antenna cables, seek their ends in mess on my table and toggle all the weird manual antenna switches again and again. One solution for cleaning my hamshack table and obtain as goal possible remotely operated hamshack is an automatic antenna switch. With out it inline the needle barely moves across the 40 channels. How I've got it constructed is by using a 2x3 plastic project box. I've used spare parts from old radios for the coax connectors. And I used a 3 position mode switch from a cobra that i had for parts as well. The wires used inside are from a piece of coax that i had a length.

Remote Control,Automatic Antenna Switch,selection switch. Home Brew coaxial switch for through 10 meters. , CI-V based remote antenna switch. ZL2iFB amateur radio homebrew activities. Manual antenna switch - a handy shack accessory, much cheaper to build than buy; Find true North - all you. Future plan is to automate antenna switching by Civ band control from the transceiver. Above the Ameritron controller is the home brew manual controller.