Today, most sonar unit's default frequency setting is 200kHz (Purple Beam). At this frequency, the bottom area that the sonar cone is covering is approximately 1/3 or 33% of your overall depth. An easy number to remember is at 30 feet deep, your sonar cone is scanning 10 feet wide. Another example - at 15 feet your sonar is scanning a 5 feet cone. In a later video we will explain how to change and adjust these frequencies.
Here is the gear Tim is using...
Unit- Humminbird Solix 12: http://bit.ly/2pAkXr2
Mapping- Lakemaster Chip: http://bit.ly/2wAZ8ZJ
Glass Cleaner- Peregrine: http://bit.ly/2wJgRP1
Precision GPS Antenna: http://bit.ly/2LUgR38
Budget-Friendly options...
Humminbird Helix 5: http://bit.ly/2fsOu1I
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