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S-match A symmetrical ATU


The Balanced Universal ATU System. The system is intended to accommodate balanced antenna systems transmitting on a very wide frequency spectrum, ranging from 160 m band up to 10 m band
post 11 Dec 2021


Antenna Transmatch tuner Links

203



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

10 m| 12 m| 15 m|
17 m 20 m| 2 m|
23 cm| 30 m| 40 m
6 m| 70 cm| 60 m| 80 m| 160 m| 136 khz| 630 m|
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