The Jeronimus.Net blog
Thursday, August 29, 2024
Mailbag August 2024
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August 2024 has not finished yet and i am still expecting some items! However i already want to publish this mailbag post. This time the ite...
Wednesday, July 31, 2024
Testing Outdoor 2 meter Antenna
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This is a 2 meter antenna i have temporary mounted outside for testing purposes. It is connected to long thin coax cable. With the coax-cab...
Tuesday, July 30, 2024
Testing RH770 Antenna
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Also from AliExpress i got this RH770 Antenna The length is adjustable so it is possible to do some tuning. I did test it on full length.
Sunday, July 28, 2024
Testing Abree AR771 Antenna
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I also have 2 Abree AR771 Antenna' s from AliExpress They both look the same. See picture above. (Perhaps it are fake clones). Below the...
Thursday, July 25, 2024
Testing another Aliexpress Antenna
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Below the results of the measurement of another Antenna . I did buy this antenna some time ago on AliExpress.
Wednesday, July 24, 2024
Testing Quansheng Antenna
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When testing the gate fence antenna (see a previous post) i also wanted to compare the measured result with some other antenna's. This...
Tuesday, July 23, 2024
Gate fence electronics dismantling -2- Testing gate fence antenna
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Testing a gate fence antenna with a vector network analyzer. This is a picture of the antenna of the original receiver for the fence control...
Monday, July 22, 2024
Gate fence electronics dismantling -1- Main control and rx board
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In this post some pictures of electronics in a 220 Volt gate controller to control 220 Volt motors.After many years of service this device w...
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