Abstract: Various implementations described herein are directed to a device configured for mounting a marine display to a vessel. The device may include a bracket having a housing with a compartment for receiving a power source. The device may include an electrical circuit configured to connect the power source to the multi-function display.

Abstract: A downscan imaging sonar utilizes a linear transducer element to provide improved images of the sea floor and other objects in the water column beneath a vessel. A transducer array may include a plurality of transducer elements and each one of the plurality of transducer elements may include a substantially rectangular shape configured to produce a sonar beam having a beamwidth in a direction parallel to longitudinal length of the transducer elements that is significantly less than a beamwidth of the sonar beam in a direction perpendicular to the longitudinal length of the transducer elements. The plurality of transducer elements may be positioned such that longitudinal lengths of at least two of the plurality of transducer elements are parallel to each other. The plurality of transducer elements may also include at least a first linear transducer element, a second linear transducer element and a third linear transducer element.

Abstract: Various implementations described herein are directed to a wearable device used to determine whether audio data corresponds to a fishing event. The wearable device may include at least one microphone. The wearable device may include a computer system with a processor and memory. The memory may have a plurality of executable instructions. When the executable instructions are executed by the processor, the processor may receive audio data from the at least one microphone, determine whether the received audio data corresponds to a fishing event and store a record of the fishing event, and a timestamp corresponding to the fishing event.

Abstract: Described herein are implementations of various technologies for a method and apparatus for providing marine electronic data. In one implementation, a screen may display marine electronic data. A cursor may be provided that is movable by placement of a finger over the cursor. A request to display the cursor at a position such that the cursor is not obstructed from view by the finger may be received. The requested cursor may be displayed at the position on the screen.

Abstract: Various implementations described herein are directed to displaying laylines. In one implementation, a method may include receiving marine electronics data at a marine electronics device disposed on a vessel. The method may also include receiving a navigational location. The method may further include calculating one or more laylines based on the navigational location and the marine electronics data. The method may additionally include displaying a vessel marker representing the vessel, a compass scale, and the one or more laylines on a display screen of the marine electronics device, where the vessel marker, the compass scale, and the one or more laylines are integrated on the display screen.

Abstract: Various implementations described herein are directed to a method for displaying fishing statistics. The method may include displaying a path traveled by a fisherman or marine vessel. The path may be recorded using a positioning system. The method may include displaying fishing statistics along the path.

Abstract: Described herein are implementations of various technologies for a method and apparatus for displaying marine electronic data. In one implementation, a non-transitory computer-readable medium having stored thereon computer-executable instructions which, when executed by a computer, causes the computer to perform various actions. In one implementation, the actions may include displaying a plurality of possible marine electronic data types to be displayed. A selection to display one of the plurality of possible marine electronic data types in the plurality of possible marine electronic data types may be received. A plurality of possible combinations of marine electronic data types to be displayed with the one of the plurality of possible marine electronic data types may be displayed. A selection from the plurality of possible combinations may then be received. A combination of marine electronic data that correspond to the selection from the plurality of possible combinations may be displayed.

Abstract: Described herein are implementations of various technologies for a method. The method may receive a request to record images. The method may send a trigger to a marine electronics device in response to receiving the request to record images. The method may receive navigational data regarding a location of the marine electronics device. The method may generate a waypoint based on the navigational data in response to the trigger.

Abstract: An FMCW radar system includes received signal processing arranged to apply multiple window functions in parallel to a received beat signal including at least one window function having a narrower main-lobe in its frequency response than at least one other window function and said at least one other window function having relatively higher side-lobe attenuation in its frequency response, transform the output of the multiple window functions from the time domain to the frequency domain, and combine the outputs of the transforms for further processing. Both narrow frequency resolution and thus good range discrimination, and also good side-lobe attenuation to avoid close interference are achieved.

Abstract: A method of replaying measured data points includes receiving positions of a watercraft from a monitoring system, receiving sonar pings of a water body from the monitoring system at the positions of the watercraft, and aligning each of the sonar pings to each of the watercraft positions at which each of the sonar pings was taken. The method also includes generating a sonar image using the of sonar pings, providing a map of the water body, displaying the map including a pathway with an indicating point with the pathway representing the watercraft positions, and displaying the sonar image including an indicating line alongside of the contour map wherein the indicating line on the sonar image corresponds to the indicating point on the pathway.

Abstract: A method of processing geo-statistical data includes piloting a watercraft with a monitoring system on a water body, taking measurements of a depth of the water body and the position of the watercraft using the monitoring system, and aligning the depth measurements with the position measurements. The method also includes creating a contour map from the depth and position measurements, creating a polygon on the contour map, and analyzing at least one of the depth and position measurements within the polygon.

Abstract: A method of reporting geo-statistical data includes piloting a watercraft with a monitoring system on a water body and taking measurements of a water body parameter and of the position of the watercraft. The measurements of the water body parameter and of the position are aligned and a contour map of the water body having a depth ranges is provided. The first water body parameter is correlated to at least one of the depth ranges to create a report.

Abstract: A non-transitory computer-readable medium having stored thereon computer-executable instructions which, when executed by a computer, cause the computer to: display marine electronics data on a screen of a multi function display unit; receive a request to adjust the parameter of the marine electronics data; and display an object configured to adjust the parameter. The object includes a default value of the parameter.

Abstract: A sonar system using frequency bursts. A sonar system for use with a vessel may include a sonar module having a transmitting element configured to generate a transmit signal, where the transmit signal comprises one or more bursts, and where at least one burst comprises a first portion having a first frequency and a second portion having a second frequency different than the first frequency. The sonar system may also include a transducer array in communication with the sonar module, where the transducer array is configured to (i) receive the transmit signal from the transmitting element, (ii) produce one or more sonar beams based on the first frequency and the second frequency, and (iii) receive one or more sonar return signals from an underwater environment.

Abstract: A sonar module using multiple receiving elements. A sonar module for use with a vessel may include a housing positioned on the vessel. The sonar module may also include one or more transmitting elements positioned inside the housing and configured to send at least one transmit signal to a transducer array. The sonar module may further include a first receiving element, a second receiving element, a third receiving element, and a fourth receiving element positioned inside the housing, where the first receiving element is configured to receive a first sonar data from the transducer array, the second receiving element is configured to receive a second sonar data from the transducer array, the third receiving element is configured to receive a third sonar data from the transducer array, and the fourth receiving element is configured to receive a fourth sonar data from the transducer array.

Abstract: A sonar transducer assembly configured for imaging of an underwater environment is provided herein. The sonar transducer assembly includes at least one transmit-only transducer element positioned within a housing and aimed outwardly and downwardly. The at least one transmit-only transducer element is configured to transmit sonar pulses to insonify a first volume. The sonar transducer assembly further includes at least one receive-only transducer element positioned within the housing and aimed outwardly and downwardly. The at least one receive-only transducer element is configured to receive sonar returns from the sonar pulses within a second volume. The second volume is smaller than the first volume and aimed so as to be wholly contained within the first volume. The housing is mountable to the water craft so as to enable rotation of the transducer elements with respect to the water craft. Corresponding systems and methods are also provided.

Abstract: Methods and sonar system for displaying a nautical chart and for adjusting depth indicators on the chart based on a calculated offset between the actual water level and the standard water level on which the chart is based. The offset is based on sonar soundings compared to depths indicated by the chart. The sonar system's processor automatically adjusts the chart's depth indicators to reflect the offset.

Abstract: Described herein are implementations of various technologies for a method and apparatus for a method and apparatus for displaying sonar images. In one implementation, sonar images that are currently being recorded may be displayed on a regular pane. Further, condensed sonar images that had previously been recorded and that are currently being recorded may be displayed on a preview pane, while recording the sonar images.

Abstract: Various implementations described herein are directed to a non-transitory computer readable medium having stored thereon computer-executable instructions which, when executed by a computer, may cause the computer to receive a location and heading of a vessel. The computer may retrieve a bathymetric chart corresponding to the location. The computer may analyze the bathymetric chart, location and heading to determine depths at a plurality of locations in front of the vessel. The computer may also display the depths.

Abstract: A sonar transducer assembly includes a housing mountable to a water craft capable of traversing a surface of a body of water. The sonar transducer assembly includes a linear downscan transmit/receive transducer element positioned within the housing, aimed downwardly, and configured to transmit sonar pulses in the form of a fan-shaped beam perpendicular to a plane of the surface of the water, and further configured to receive sonar returns from the sonar pulses and convert sound energy of the sonar returns into downscan sonar return data. The sonar transducer assembly also includes at least one sidescan receive-only transducer element positioned within the housing, aimed outwardly and downwardly, and configured to receive sonar returns from the sonar pulses and convert sound energy of the sonar returns into sidescan sonar return data.