• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Is heterodyne obsolete? (1 Viewer)

I was brought up to identify bats on the spot using heterodyne. Sweeping the dial, getting the peak frequency, listening to the tone of the call etc.

Nowadays, my newer bat detector has heterodyne. It almost seems like an add on. The triggering function is covered by FD for the whole range; and the FD, with the peak frequency automatically displayed, seems to give me just about everything I need to identify a bat in the field in terms of echolocation speed etc. Without having to turn any dial.

Looking at the very latest detector models, it seems to be FD, graphical displays, TE, and full spectrum recordings.

Is heterodyne now considered obsolete?
 
Warning! This thread is more than 5 years ago old.
It's likely that no further discussion is required, in which case we recommend starting a new thread. If however you feel your response is required you can still do so.

Users who are viewing this thread

Back
Top