Magnetic Loop Antenna Band Selection.
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Since my magnetic loop antenna uses an FT-140-43 toroid for feeding, I have always found it bothersome to have to add of remove turns to the toroid for band selection. Finally I decided to build a band selector described in this video.
Magnetic Loop build: https://youtu.be/FR_9nUpgn1U and https://youtu.be/EOT2G1Q0hF0
Download the STL file: https://www.thingiverse.com/thing:5661856
Multimeter: https://www.amazon.co.uk/dp/B09GF2FZVY
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DISCLAIMER: The Radio Prepper logo (depicting a microphone) is indeed inspired from a famous flag created in 1775. It is NOTHING BUT a symbol of freedom and independence. It does NOT imply support to any political group. It does NOT imply, represent nor support any ideology with an intent on harming anyone. Freedom means freedom from persecution based on any human trait or belief such as, non exhaustively, race, gender, religion, sexual orientation or nationality. The Radio Prepper channel is a technology and science channel with a focus on preparedness and use of radio technology for disaster relief and small group communications in times of need. It is apolitical and open to anyone sharing the same interests.
Magnetic Loop build: https://youtu.be/FR_9nUpgn1U and https://youtu.be/EOT2G1Q0hF0
Download the STL file: https://www.thingiverse.com/thing:5661856
Multimeter: https://www.amazon.co.uk/dp/B09GF2FZVY
Buy me a coffee at https://ko-fi.com/gilgsn
Shirts and mugs: https://teespring.com/stores/radio-preppers
Help this channel: https://www.patreon.com/radioprepper
Facebook: https://www.facebook.com/groups/radiopreppers
Radio Preppers Forum: http://radiopreppers.com
Subscribe on my alternate platform:
https://odysee.com/@RadioPrepper:d
Help this channel by donating crypto:
BTC : bc1qc5jq4dxt7359sh80lkv9v8rlsgnh322hmn6xyc
ETH : 0xe7cC2e415E0D2d1De91604B2b693f124dfBCf9B8
DOGE : D6ha2Ax7UhmtEMPC4fsaEJPxHrLSu3BwYW
XRP : r93TuQrkEq3X9UDkqXKYWaTkteB2ap4hMq
LTC : LYwDy55mZSeb1Czx6JUiTS5YkqjfmWKK5H
SOL : Ee9iJx6ouBih1beozjWrwYBQA9tQgr4nYwosZYsjfxaj
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ATOM : cosmos1l8ct3kesrh48n2yeekh9e2ncrm8s397xxwf34f
ALGO : ZI3QSV4UV3KT6JFN4TUWO2TWEM46MQENXW3RTLQEH4OLSSY2SONYKR7XCM
XTZ : tz1YS3MSqU63VKGkUqomt1ZV4eDFY7dJD9mX
DISCLAIMER: The Radio Prepper logo (depicting a microphone) is indeed inspired from a famous flag created in 1775. It is NOTHING BUT a symbol of freedom and independence. It does NOT imply support to any political group. It does NOT imply, represent nor support any ideology with an intent on harming anyone. Freedom means freedom from persecution based on any human trait or belief such as, non exhaustively, race, gender, religion, sexual orientation or nationality. The Radio Prepper channel is a technology and science channel with a focus on preparedness and use of radio technology for disaster relief and small group communications in times of need. It is apolitical and open to anyone sharing the same interests.
