v=1510242597","width":960},{"alt":null,"id":719793619047,"position":6,"preview_image":{"aspect_ratio":4. Just a belated note to say that I received the detector very promptly and within a couple of hours had built it with my 5 year old son having helped identify components and place on board. Much of it comes pre-assembled and the other parts fit together with simple connections that don’t need soldering or anything like that. This enables users listening in real time to rapidly \"tune into\" the bat as it flies by and get a good estimate of the bat's dominant frequency, the basis for species identification. Visit the catalogue categories for complete, organized listings of our bat friendly goods by subject.

If you live in Europe, you'll only wait a fraction of that time - Probably about 3 days, would be my guess (mostly likely as short as 1-2 days!Just for grins, let's also imagine (for a moment) that I had resigned myself to owning just one detector (a crazy thought, I agree!

v=1569023593","width":197},{"alt":null,"id":636572172391,"position":3,"preview_image":{"aspect_ratio":1. It has a division factor of 10, meaning the sounds of a 50kHz bat is reduced to only 5kHz—well within the range of human hearing! v=1649602967","width":2192},{"alt":null,"id":21831190675559,"position":2,"preview_image":{"aspect_ratio":1.

v=1612208881","width":266},{"alt":null,"id":8481041416295,"position":4,"preview_image":{"aspect_ratio":0. The group has three sets of a dozen of these for loan on Bat walks, and has had superb after sales service from the manufacturer.

For transect monitoring or acoustic mistnetting, we recommend mounting the receiver so that it points directly upward. As a testament to Pettersson's \"done right the first time\" philosophy, this is one of most longest-lived products in the Pettersson line introduced around 2003 and still holds it's value today. It can also be used to listen to other high frequencies such as peeling sticky tape, compact fluorescent lights and power supplies.Having worked in the technology field for many years, I've probably opened/closed hundreds of these types of slots (from many different manufacturers).

Billed as omnidirectional, raise this microphone as far as possible from all obstructions (~12'+ above ground) and extend it into the airspce you intend to monitor. The Whadda WSAK8118 (previously Velleman K8118) SELF-ASSEMBLY electronic kit is an ultrasonic detector that converts sounds normally imperceptible to humans like bat signals into audible noise. v=1506049214","options":["Title"],"media":[{"alt":null,"id":636531408999,"position":1,"preview_image":{"aspect_ratio":0.It has the potential to be very loud - Plenty of audio, even for a large-sized group to hear on a bat walk. v=1506050691","width":2416},{"alt":null,"id":636551757927,"position":3,"preview_image":{"aspect_ratio":1.