---
title: Welcome to the Southern Avionics NDB and DPGS Blog | Marine Navigation
description: Marine 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

## Marine 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)

[![Quality and Longevity of SAC's NDB](https://www.southernavionics.com/hs-fs/file-503670264-jpg/images/photo_feb_06%2c_9_43_35_am-resized-600.jpg) ](https://www.southernavionics.com/blog/bid/99352/quality-and-longevity-of-sac-s-ndb)

[NDB](https://www.southernavionics.com/blog/topic/ndb) [Non-Directional Beacon](https://www.southernavionics.com/blog/topic/non-directional-beacon) [Marine Navigation](https://www.southernavionics.com/blog/topic/marine-navigation) [Aircraft Navigation](https://www.southernavionics.com/blog/topic/aircraft-navigation) [Beacon](https://www.southernavionics.com/blog/topic/beacon) [case studies](https://www.southernavionics.com/blog/topic/case-studies) [NDB transmitter](https://www.southernavionics.com/blog/topic/ndb-transmitter)

##### Erin Howell

### [Quality and Longevity of SAC's NDB](https://www.southernavionics.com/blog/bid/99352/quality-and-longevity-of-sac-s-ndb)

At Southern Avionics Company we pride ourselves on the quality and longevity of our products. Today we manufacture and assemble our transmitters in...

[ Read More ](https://www.southernavionics.com/blog/bid/99352/quality-and-longevity-of-sac-s-ndb)

[![What is an NDB or Non-Directional Beacon?](https://www.southernavionics.com/hubfs/what-is-an-ndb-or-non-directional-beacon-featured-image.png) ](https://www.southernavionics.com/blog/bid/50999/what-is-an-ndb-or-non-directional-beacon)

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

##### Brooks Goodhue

### [What is an NDB or Non-Directional Beacon?](https://www.southernavionics.com/blog/bid/50999/what-is-an-ndb-or-non-directional-beacon)

### **What is an NDB?**

An NDB or **Non-Directional Beacon** is a ground-based, low frequency radio transmitter used as an instrument approach for airports and...

[ Read More ](https://www.southernavionics.com/blog/bid/50999/what-is-an-ndb-or-non-directional-beacon)

[![Welcome to the Southern Avionics NDB and DGPS Blog](https://www.southernavionics.com/hs-fs/file-15912656-jpg/images/img_productdetail-se-series-a.jpg) ](https://www.southernavionics.com/blog/bid/38619/welcome-to-the-southern-avionics-ndb-and-dgps-blog)

[NDB](https://www.southernavionics.com/blog/topic/ndb) [Non-Directional Beacon](https://www.southernavionics.com/blog/topic/non-directional-beacon) [DGPS](https://www.southernavionics.com/blog/topic/dgps) [Marine Navigation](https://www.southernavionics.com/blog/topic/marine-navigation) [Differential GPS Reference Station](https://www.southernavionics.com/blog/topic/differential-gps-reference-station) [Aircraft Navigation](https://www.southernavionics.com/blog/topic/aircraft-navigation)

##### Brooks Goodhue

### [Welcome to the Southern Avionics NDB and DGPS Blog](https://www.southernavionics.com/blog/bid/38619/welcome-to-the-southern-avionics-ndb-and-dgps-blog)

Welcome to the Southern Avionics Company corporate blog. Southern Avionics is a recognized leader in the field of navigational transmitters such as...

[ Read More ](https://www.southernavionics.com/blog/bid/38619/welcome-to-the-southern-avionics-ndb-and-dgps-blog)

####  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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