Automatic Antenna Tuner,ATU-100 EXT 1.8-55MHz 100W Shortwave

[mrel]

Hello
This antenna tuner (Automatic Antenna Tuner,ATU-100 EXT 1.8-55MHz 100W Shortwave Mini Automatic Antenna Tuner ).
Question would automatic antenna tuner can work on receiver only to adjust antenna to get good receiving signal or is automatic antenna tuner is for adjusting transmitter only.
El

 

[popnokick]

Nearly every "automatic antenna tuner" is going to require some level of transmitted signal input to activate the tuning circuitry. If you are trying to tune a receive-only shortwave antenna a "receiver preselector" is what you want as it is passive and does not require a transmitter. Something like this... there are others -
https://mfjenterprises.com/collections/receivers/products/mfj-1045c?_pos=2&_sid=0417ea9dd&_ss=r

 

[mrel]

Nearly every "automatic antenna tuner" is going to require some level of transmitted signal input to activate the tuning circuitry. If you are trying to tune a receive-only shortwave antenna a "receiver preselector" is what you want as it is passive and does not require a transmitter. Something like this... there are others -
https://mfjenterprises.com/collections/receivers/products/mfj-1045c?_pos=2&_sid=0417ea9dd&_ss=r

How does the preselector work , does try match antenna to the frequency?
El

 

[popnokick]

To provide better information and responses to your original question regarding HF shortwave receive-only "antenna tuning" it would help us all to know the answers to these questions -
- What receiver are you using?
- What antenna are you using?
The answers to these questions will enable responses here that will help you optimize your receiving setup.

 

[vagrant]

Take a quick read on the RR Wiki about preselectors, or read that whole page to learn even more.

Improving HF Reception - The RadioReference Wiki

wiki.radioreference.com

How does the preselector work , does try match antenna to the frequency?
El