---
title: Welcome to the Southern Avionics NDB and DPGS Blog | Navigation
description: Navigation | Who is Southern Avionics & what air navigation equipment do they sell? This blog describes them & the differences between nds beacons, antenna couplers & more!
---

# Southern Avionics Navigation Blog

Browse By: Everything NDB NDB transmitter Non-Directional Beacon case studies Aircraft Navigation Beacon Marine Navigation FAQ SE Series DGPS Differential GPS Reference Station Navigation aircraft dgps dgps beacon dgps receiver marine dgps

###### Posts about

## Navigation

[![Why non-directional beacons are used on offshore platforms](https://www.southernavionics.com/hubfs/why-non-directional-beacons-are-used-on-offshore-platforms.png) ](https://www.southernavionics.com/blog/why-non-directional-beacons-are-used-on-offshore-platforms)

[Non-Directional Beacon](https://www.southernavionics.com/blog/topic/non-directional-beacon) [Navigation](https://www.southernavionics.com/blog/topic/navigation) [Marine Navigation](https://www.southernavionics.com/blog/topic/marine-navigation)

##### Brooks Goodhue

### [Why non-directional beacons are used on offshore platforms](https://www.southernavionics.com/blog/why-non-directional-beacons-are-used-on-offshore-platforms)

NDBs are ground-based Low-Frequency radio Transmitters used in conjunction with a helicopter’s onboard Automatic Direction Finder (ADF) to allow... 

[ Read More ](https://www.southernavionics.com/blog/why-non-directional-beacons-are-used-on-offshore-platforms)

[![NDBs: Why You Should Invest in SAC's Products (Part 2)](https://www.southernavionics.com/hubfs/NDBs-why-you-should-invest-in-SACs-products-part-2.png) ](https://www.southernavionics.com/blog/bid/70243/ndbs-why-you-should-invest-in-sac-s-products-part-2)

[NDB](https://www.southernavionics.com/blog/topic/ndb) [Non-Directional Beacon](https://www.southernavionics.com/blog/topic/non-directional-beacon) [Navigation](https://www.southernavionics.com/blog/topic/navigation)

##### Tara Trevino

### [NDBs: Why You Should Invest in SAC's Products (Part 2)](https://www.southernavionics.com/blog/bid/70243/ndbs-why-you-should-invest-in-sac-s-products-part-2)

Welcome back to Part 2 of this blog on why you should invest in SAC's NDBs and related equipment.

[ Read More ](https://www.southernavionics.com/blog/bid/70243/ndbs-why-you-should-invest-in-sac-s-products-part-2)

####  Phone

Direct: [409-842-1717](tel:4098421717)  
Fax: 409-842-2987

 Email

Sales Inquries: [sales@southernavionics.com](mailto:sales@southernavionics.com) 

Technical Inquries:  [techdept@southernavionics.com  
](mailto:techdept@southernavionics.com)

 

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