Airmar B75 High 20 Degree CHIRP Transducer 8-Pin f/Garmin
SKU: 89683824731

Airmar B75 High 20 Degree CHIRP Transducer 8-Pin f/Garmin

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Description

Airmar B75 High 20 Degree CHIRP Transducer 8-Pin f/GarminB75 High 20 Degree CHIRP Transducer 8 Pin for Garmin Airmars Broadband CHIRP transducers represent the next generation of technology that will allow fishermen to unlock secrets in fishfinding. Echosounder operation away from the traditional 50 kHz and 200 kHz has proven that different fish species return better signals at various frequencies. Airmars Broadband Transducers are capable of operating over a wide (or Broad) frequency band ranging from 25

B75 High 20 Degree CHIRP Transducer 8-Pin for Garmin

Airmars Broadband/CHIRP transducers represent the next generation of technology that will allow fishermen to unlock secrets in fishfinding. Echosounder operation away from the traditional 50 kHz and 200 kHz has proven that different fish species return better signals at various frequencies. Airmars Broadband Transducers are capable of operating over a wide (or Broad) frequency band ranging from 25 kHz to 60 kHz and from 130 kHz to 210 kHz.

Traditional fishfinders transmit a pulse at a single frequency (50 kHz or 200 kHz), which is often referred to as a tone burst. Better deep-water and bottom detection is obtained by transmitting a longer pulse, because the fishfinder is delivering more energy to the transducer. However, the drawback of a long pulse is that it provides reduced target resolution. For example, if a fishfinder transmits a pulse that is 500 microseconds in duration, it has a pulse length of 0.7 m (2.4). With a tone burst, no targets can be resolved that are closer to one another than the pulse length. Fish less than 0.7 m (2.4) apart, or less than 0.7 m (2.4) from the bottom, can not be detected. Fish schools will appear in this case as a single large mass, while fish close to the bottom will appear attached to the sea bed and will be difficult or impossible to detect.

With CHIRP, the transmission pulses are typically very long and may start at 40 kHz and end at 60 kHz. By comparing the shape of the stored transmission pulse with the received echoes from the transducer, it is possible to find echoes in the noise and precisely determine their range with astounding accuracy.

Using CHIRP, it is now possible to obtain:


  • Much greater range because very long pulses can be used.

  • Much better resolution because the sonar pulse is swept across a frequency band (from 40 kHz to 60 kHz, for example).

  • Enables targets to be precisely located within inches on the display using pattern-matching techniques.

  • Closely spaced fish and fish lying on the bottom can be accurately detected and displayed as distinct targets.

Because weak fish and bottom echoes can be resolved within the noise (the snow on a conventional fishfinder display), it is possible both to detect targets at far greater depths than before and track the bottom at higher boat speeds.

Features:


  • 12 m (40) cable

  • Depth and fast-response water-temperature sensor

  • Same elements and performance as the B765LH/LM offered in a low-profile housing

  • Bronze transducer housing

  • Boat Size: Up to 8 m (25)

  • Hull Type: Fiberglass or wood

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SKU: 89683824731

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Momx4
Port Orchard, US
★★★★★ 5
Just what a gamer needs!
Format: Paperback
Perfect gift for my son!
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Reviewed in the United States on May 26, 2015
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Mick Charles Beaver
Houston, US
★★★★★ 2
would have been better as a blog
Format: Paperback
First off, I have read over half of this book, but ultimately decided to put it down because it had a low signal-to-noise ratio. If the second half is filled with magic, I apologize in advance. What I liked: * The author is very honest. He does not shy away from discussing his failures (and successes). * The postmortem on the game "Life of Pixel" was especially good. * Interviews from various indie studios are sprinkled throughout. What I did not like: * A number of pieces of information were already out-of-date. This makes me think that the concepts should have been discussed at a higher level. For example, specifics about game engine costs are discussed. These numbers have changed since E3 of this year. Definitely recheck any information before formulating a plan based on the book's recommendations. * The indie studio interviews are a wasted opportunity in that they each interview has the same set of questions. It's like a questionnaire was sent out via email and the responses were pasted into the book. * When discussing commercial options, such as engines or other software packages, blurbs once again appear to be cut-and-pasted (this time verbatim from the package's web site). * Some of the advice is too broad and too light. For example, when writing about how to create a press release, the author discuss how to write in the active voice. I'm frankly not looking for writing tips in my Indie Game Developer Handbook. * The book is filled with tons of web links. My paperback copy was not so useful here. I ultimately left the book with the impression that the information would have been much better in the form of a blog. The author could have really gone in depth with the parts of the book that shined while keeping the surveys of topics in a form that serves them better (i.e. web links on the web).
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Reviewed in the United States on April 28, 2015
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Meridian
Pawtucket, US
★★★★★ 5
Helpful information and Questions to consider
Format: Paperback
As a writer of science fiction and fantasy I had already looked into the physical aspects of the worlds I was creating, but I quickly realized I needed to include society and culture in the worldbuilding. I started a search for information, questionairres, or guidelines to use and found very little that would be helpful to me as a writer. Until I came across this book. It's exactly what I needed. It touches on multiple aspects of beliefs and practices and asks questions to help you think through what you want for your worlds, even if it's mostly backgroud. A very useful tool.
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Reviewed in the United States on May 26, 2024
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Amazon Customer
Carnegie, US
★★★★★ 3
Great Value for Book
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Substantially cheaper than Barnes and Noble! Good read. Got alot of ideas! Hint ALWAYS check online for a cheaper price typically i he found books 35 to 50 % cheaper.
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laughingant
Lowell, US
★★★★★ 5
Good book
Format: Hardcover
Well-written and a great read for children who are fans of the animated series.
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