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75 mt antenna Tuner
75 meter antenna Tuner
post 28 Jan 2024
Antenna Transmatch tuner Links →
A Mini Tuner for HF
From 80 - 10 metres, unbalanced. John has modified it by incorporating a balun
A simple antenna tuner for 4m
I have made 2 others since ,but used a low current Led instead of the original pea lamp
A Useful ATU Circuit
It uses a parallel circuit for 30 - 80 and a series tuned arrangement for the bands up to 10 metres
Automatic Antenna Tuner
Easy and cheap automatic antenna tuner which can works as locale or as remote. tuner has eeprom memory for store settings for faster tunning and four interfaces
Balanced Line Tuner BLT
I've used this little Z-Match tuner for several years. It's the right size and tunes nearly all of my portable antennas on 40M and up It has a built in Tayloe SWR indicator
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From 80 - 10 metres, unbalanced. John has modified it by incorporating a balun
I have made 2 others since ,but used a low current Led instead of the original pea lamp
It uses a parallel circuit for 30 - 80 and a series tuned arrangement for the bands up to 10 metres
Easy and cheap automatic antenna tuner which can works as locale or as remote. tuner has eeprom memory for store settings for faster tunning and four interfaces
I've used this little Z-Match tuner for several years. It's the right size and tunes nearly all of my portable antennas on 40M and up It has a built in Tayloe SWR indicator
5W CW transceiver kit A feature-packed,high performance, single-band 5W CW transceiver kit, with WSPR beacon
Amateur radio kits by Kanga US
50MHz to 28MHz RX Converter The concept of the rx converter is quite simple and nothing really new. the local oscillator is a standard colpitts crystal oscillator producing the 22mhz lo signal