---
title: Welcome to the Southern Avionics NDB and DPGS Blog | Non-Directional Beacon
description: Non-Directional Beacon | 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

## Non-Directional Beacon

[![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)

[![Why is the FAA Decommissioning NDBs?](https://www.southernavionics.com/hubfs/why-is-the-faa-decommissioning-ndbs.png) ](https://www.southernavionics.com/blog/why-is-the-faa-decommissioning-ndbs)

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

##### Brooks Goodhue

### [Why is the FAA Decommissioning NDBs?](https://www.southernavionics.com/blog/why-is-the-faa-decommissioning-ndbs)

The FAA is phasing out not only NDB and also DME, VOR, ILS, and all other ground-based navaids. The primary reason the FAA offers for the...

[ Read More ](https://www.southernavionics.com/blog/why-is-the-faa-decommissioning-ndbs)

[![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)

[![In-Band Frequency Change: SA vs SE Series](https://www.southernavionics.com/hs-fs/file-15918962-jpg/images/se125_white.jpg) ](https://www.southernavionics.com/blog/bid/98732/in-band-frequency-change-sa-vs-se-series)

[NDB](https://www.southernavionics.com/blog/topic/ndb) [Non-Directional Beacon](https://www.southernavionics.com/blog/topic/non-directional-beacon) [Aircraft Navigation](https://www.southernavionics.com/blog/topic/aircraft-navigation) [Beacon](https://www.southernavionics.com/blog/topic/beacon) [SE Series](https://www.southernavionics.com/blog/topic/se-series) [NDB transmitter](https://www.southernavionics.com/blog/topic/ndb-transmitter)

##### Tara Trevino

### [In-Band Frequency Change: SA vs SE Series](https://www.southernavionics.com/blog/bid/98732/in-band-frequency-change-sa-vs-se-series)

With the introduction of the SE Series NDB Transmitters there have been some questions about how the new series compares with the older SA Series.

[ Read More ](https://www.southernavionics.com/blog/bid/98732/in-band-frequency-change-sa-vs-se-series)

[![NDB Improvements: SA vs. SE](https://www.southernavionics.com/hs-fs/file-15915488-jpg/images/march_-_april_2010_308.jpg) ](https://www.southernavionics.com/blog/bid/85810/ndb-improvements-sa-vs-se)

[NDB](https://www.southernavionics.com/blog/topic/ndb) [Non-Directional Beacon](https://www.southernavionics.com/blog/topic/non-directional-beacon) [Aircraft Navigation](https://www.southernavionics.com/blog/topic/aircraft-navigation) [Beacon](https://www.southernavionics.com/blog/topic/beacon) [SE Series](https://www.southernavionics.com/blog/topic/se-series) [NDB transmitter](https://www.southernavionics.com/blog/topic/ndb-transmitter)

##### Tara Trevino

### [NDB Improvements: SA vs. SE](https://www.southernavionics.com/blog/bid/85810/ndb-improvements-sa-vs-se)

Southern Avionics is committed to continually improving our products and services. We have recently added a new NAVTEX product line and extended our...

[ Read More ](https://www.southernavionics.com/blog/bid/85810/ndb-improvements-sa-vs-se)

[![NDB System Training with our Visitors from Indonesia](https://www.southernavionics.com/hs-fs/file-15915609-jpg/images/more_012.jpg) ](https://www.southernavionics.com/blog/bid/75099/ndb-system-training-with-our-visitors-from-indonesia)

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

##### Tara Trevino

### [NDB System Training with our Visitors from Indonesia](https://www.southernavionics.com/blog/bid/75099/ndb-system-training-with-our-visitors-from-indonesia)

Over the Thanksgiving holidays, we had 13 visitors from Indonesia visit our headquarters here in Beaumont, TX. We gave them a small tour of...

[ Read More ](https://www.southernavionics.com/blog/bid/75099/ndb-system-training-with-our-visitors-from-indonesia)

[![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)

[![NDBs: Why You Should Invest in SAC's Products (Part 1)](https://www.southernavionics.com/hubfs/NDBs-why-you-should-invest-in-SACs-products-part-1.png) ](https://www.southernavionics.com/blog/bid/69045/ndbs-why-you-should-invest-in-sac-s-products-part-1)

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

##### Tara Trevino

### [NDBs: Why You Should Invest in SAC's Products (Part 1)](https://www.southernavionics.com/blog/bid/69045/ndbs-why-you-should-invest-in-sac-s-products-part-1)

**Technology**

[ Read More ](https://www.southernavionics.com/blog/bid/69045/ndbs-why-you-should-invest-in-sac-s-products-part-1)

[![Product Spotlight: SE Series NDB Transmitters](https://www.southernavionics.com/hs-fs/file-15912810-jpg/images/img_productdetail-se-series-c.jpg) ](https://www.southernavionics.com/blog/bid/67219/product-spotlight-se-series-ndb-transmitters)

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

##### Tara Trevino

### [Product Spotlight: SE Series NDB Transmitters](https://www.southernavionics.com/blog/bid/67219/product-spotlight-se-series-ndb-transmitters)

Latest and Greatest from SAC: SE Series 125-Watt NDB Transmitter

 The SAC Team would like to introduce to our blog readers one of our most prized... 

[ Read More ](https://www.southernavionics.com/blog/bid/67219/product-spotlight-se-series-ndb-transmitters)

[![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)

####  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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