Sonar & Electronics Glossary — FishFinders.co
The complete Sonar & Electronics Glossary with 80 terms explained. From CHIRP and transducers to NMEA networking — everything anglers need to know about fish finder technolog
Guides, research, and insights from FishFinders.co — Find the Perfect Fish Finder for Every Angler
23 articlesThe complete Sonar & Electronics Glossary with 80 terms explained. From CHIRP and transducers to NMEA networking — everything anglers need to know about fish finder technolog
7-inch vs 9-inch vs 12-inch fish finders compared. Split-screen usability, readability, mounting space, and cost analysis to help you choose the right screen size.
Where to mount a fish finder transducer for a clean signal: the clean-water rule, which side of the transom, correct height and angle, trolling-motor and kayak placement, and cable
How to use GPS waypoints to find fish faster: marking spots, structure and hazards, returning precisely, reading contour maps and depth shading, recording your own contours, and th
CHIRP, down imaging, side imaging and live forward-facing sonar explained in plain English — what each technology does, how the brands differ, and which views you act
Fish finder transducer types explained: transom-mount, thru-hull, in-hull (shoot-thru) and trolling-motor transducers, what each is best for, and how to match a transducer to the s
Standalone vs combo fish finders compared: sonar-only units vs chartplotter combos with full GPS charts and navigation, the pros and cons of each, and which to buy first for your b
Is live forward-facing sonar (LiveScope, MEGA Live 2, ActiveTarget 2) worth the upgrade? The honest case for and against, who it's worth it for, compatibility, and the mos
Learn how to read a fish finder screen: time and depth layout, bottom hardness, fish arches vs dots, bait balls, thermoclines, color palettes, and the fish-ID trap to avoid.
Fish finder battery and power guide. Covers lead-acid vs AGM vs lithium LiFePO4, sizing calculations, wiring best practices, and inline fuse requirements.
How to read and interpret side imaging sonar: how the image is built, the center water-column strip, reading shadows for structure height, bright vs dark returns, and the right ran
Garmin vs Humminbird vs Lowrance fish finders compared: each brand's charts, live sonar, imaging and networking strengths, a side-by-side table, and which ecosystem suits
A complete, beginner-friendly fish finder installation guide: mounting the display, wiring clean fused power, choosing and mounting the transducer, first power-up, and the mistakes
Fish finder frequencies explained: how low (50-83 kHz), high (200 kHz) and imaging (455 kHz to 1.2 MHz MEGA) frequencies trade depth for detail, how frequency relates to cone angle
Down imaging vs side imaging compared: what each shows, when to use down imaging for confirming cover vs side imaging for searching water fast, a head-to-head table, and which to p
A plain-English beginner's guide to fish finders: how sonar works, what every spec means, the five types of unit, and how to choose the right finder for how you fish.
CHIRP vs traditional sonar explained: how single-frequency and swept-frequency sonar differ, why CHIRP gives better target separation and a cleaner bottom, and whether traditional
The best portable and castable fish finders for 2026 — castable sonar pods like the Deeper PRO+ 2 and Garmin Striker Cast, plus all-in-one shuttle kits, for bank, doc
The best offshore and big-water fish finders for 2026 — high-power units with deep CHIRP, large sunlight-readable screens, coastal charts and full networking, from Ga
The best ice fishing flashers and fish finders for 2026 — gold-standard Vexilar and MarCum flashers, the color-screen Humminbird ICE HELIX, budget Garmin options, and
The best GPS combo fish finders in 2026 — one screen for sonar, charts and waypoints. Top picks from Garmin, Lowrance and Humminbird, plus how to choose your chart ec
The best fish finders for kayaks in 2026 — compact, low-power units that mount without a transom, from castable sonar to full imaging combos, plus kayak battery and m
The best budget fish finders for small boats in 2026 — entry units with real CHIRP sonar and GPS that punch above their price, plus what actually matters at this pric
No articles found matching your search.