Humminbird MEGA Imaging

Humminbird MEGA Imaging

New for 2017 in compatible Humminbird HELIX G2N systems is MEGA Imaging, a new high frequency technique that provides Side Imaging and Down Imaging with unprecedented clarity, sharpness, and resolution. MEGA Imaging is made possible using a combination of new, advanced hardware and refined software, and the images are the best I have seen from any Humminbird platform.
MEGA Imaging is based on a new imaging frequency of 1200 kHz (1.2 MHz or megahertz), a frequency which is generated within the new MEGA Imaging transducer (XM 9 20 MSI T). This new MEGA Imaging transducer is larger than the previous HDSI transducer, and features robust, all-metal components linking the transducer to the transom.
As with any sonar or imaging frequency, resolution (target separation) and range must be balanced against each other. The new MEGA Imaging frequencies have the highest available frequency of the common imaging frequencies (455 kHz, 800 kHz, 1200 kHz), which means that MEGA Imaging has the best resolution or target separation. At the same time, the MEGA Imaging frequencies have the shortest useful range of the Imaging frequencies. So, MEGA Imaging is a short range, high resolution technique. In our hands, the best MEGA Images are obtained using Side Imaging ranges of less than 100 ft.
This is an example of a MEGA Side Imaging view, collected on the Mississippi River in late fall. Here, we are transmitting a SI frequency range of 1150-1275 kHz, CHIRPing around the fundamental 1200 kHz MEGA Imaging frequency. In the HELIX G2N units, CHIRP is enabled across all of the sonar techniques. CHIRP is part of the reason that the above image is so crisp and clear. The image itself has a riprap shoreline along the left, with a tree extending out into the water, and several groups of fish suspended nearby.


If you want to learn to interpret your sonar display, or how to optimize your Side Imaging, Down Imaging, and 2D sonar views, then you need our new instructional title:

Angler's Guide to Sonar Interpretation

Your comprehensive guide to interpreting Side Imaging, Down Imaging, and 2D sonar. Quickly and confidently identify natural and man-made structure and fish. Cross-check your sonar interpretation skills with Aqua-Vu underwater video. Optimized for Humminbird but works with ANY fishfinder!

This is another example of a MEGA Side Imaging view, collected again using the CHIRP functionality found in the HELIX G2N units. This area is a hard-bottom, moderate-flow area of the Mississippi River, and features a classic washboard-type bottom. In the zoom box on the right hand Side Image is a downed tree, with several fish (the bright white spots) tucked between the tree and the shoreline. One of the things I've noticed during my first several trips with MEGA Imaging is its ability to easily identify fish relating to structure, and this is a nice example of that around downed timber.
Check out these additional details on Humminbird MEGA Imaging. More to come!
Share by: