Wayne Purdum
Charlottesville, Va.
Helix 12 CHIRP MEGA+ SI G3N/G4N, Helix 15 CHIRP MEGA SI+ GPS G4N
SOLIX 12 SI/G3, Helix 8 CHIRP MEGA SI+ G4N, Ultrex 80/LINK, MEGA360,
MEGA LIVE, LIVE TL
Wayne Purdum
Charlottesville, Va.
Helix 12 CHIRP MEGA+ SI G3N/G4N, Helix 15 CHIRP MEGA SI+ GPS G4N
SOLIX 12 SI/G3, Helix 8 CHIRP MEGA SI+ G4N, Ultrex 80/LINK, MEGA360,
MEGA LIVE, LIVE TL
Very thorough comparison and you can really see the improvement in the MEGA 360. Thanks Wayne
2019 Ford F-150 Platinum (3.5EcoBoost/10spd)
**Listed FOR SALE**2014 Ranger Z119C w/ Evinrude ETEC 225HO Running Croxton’s Razor 4XL 25P
Helix 12 Mega G2N’s with Ultrex
Think like a fish, no matter how weird it gets
Wayne Purdum
Charlottesville, Va.
Helix 12 CHIRP MEGA+ SI G3N/G4N, Helix 15 CHIRP MEGA SI+ GPS G4N
SOLIX 12 SI/G3, Helix 8 CHIRP MEGA SI+ G4N, Ultrex 80/LINK, MEGA360,
MEGA LIVE, LIVE TL
What speed do you have the Mega 360 spinning at? Cool setup of the 2 attached. Did they give a splitter cable to you ? Side imaging shots are freaking awesome!
Last edited by cevans; 12-22-2019 at 10:53 AM.
Most of the time I was using the 3 speed, to me it gives the sharpest images at a not too slow refresh rate. Still slower than using Fine/Fast with the 360.
I was using the MEGA 360 connected to the G3N Helix 12 SI with the included Helix adapter most of the time with no Networking sonar, and the 360 connected to a first generation Helix 12 SI. Still had the HDSI transducer on the trolling motor.
Wayne Purdum
Charlottesville, Va.
Helix 12 CHIRP MEGA+ SI G3N/G4N, Helix 15 CHIRP MEGA SI+ GPS G4N
SOLIX 12 SI/G3, Helix 8 CHIRP MEGA SI+ G4N, Ultrex 80/LINK, MEGA360,
MEGA LIVE, LIVE TL
Can you do one around bridge pilings and in a field of standing timbers? I'm already sold and will get one next season.
Wayne Purdum
Charlottesville, Va.
Helix 12 CHIRP MEGA+ SI G3N/G4N, Helix 15 CHIRP MEGA SI+ GPS G4N
SOLIX 12 SI/G3, Helix 8 CHIRP MEGA SI+ G4N, Ultrex 80/LINK, MEGA360,
MEGA LIVE, LIVE TL
No, that is a Side Imaging view, the bottom slopes from left to right. That changes the angle of the SI pulses and the sonar echo depths.
The MEGA frequency is more sensitive to depth changes.
Just like 455 and 800 kHz the shallow side of a sloping bottom will be brighter than the deeper side when parallel to the shore.
Wayne Purdum
Charlottesville, Va.
Helix 12 CHIRP MEGA+ SI G3N/G4N, Helix 15 CHIRP MEGA SI+ GPS G4N
SOLIX 12 SI/G3, Helix 8 CHIRP MEGA SI+ G4N, Ultrex 80/LINK, MEGA360,
MEGA LIVE, LIVE TL
Joe
2000 Viper Coral 202
2001 Mercury 200 EFI
Definitely an improvement, by how much only a side by side comparison will tell.
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**Looking for the one that makes it all worthwhile**
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Units ..... 1197 (6.310) ...1198 (6.490) ... Helix 12 MSI G3N
So it looks like the mega shaft is longer. From what I have read, the mega turns off automatically when taken out of the water. Was just worried it wouldn't work on my Deep V walleye boat if the shaft was too short. My current 360 is barely under water but works fine.
Fortrex shaft is 27” long and ultrex shaft is 39” long.
Ok so you were going 1 mph when you saw the fish in pic#2 to the right side.
What did you do next?
Mark a waypoint and go back using 360?
Wayne, thanks for posting these amazing pics. What was the furthest distance you were able get good si scans with the mega 360?
Wayne Purdum
Charlottesville, Va.
Helix 12 CHIRP MEGA+ SI G3N/G4N, Helix 15 CHIRP MEGA SI+ GPS G4N
SOLIX 12 SI/G3, Helix 8 CHIRP MEGA SI+ G4N, Ultrex 80/LINK, MEGA360,
MEGA LIVE, LIVE TL
Not the improvement I was expecting and this is a side by side comparison.