---
title: Marine and Aviation Navigation Aids | Southern Avionics
description: Southern Avionics leads the industry in marine and aviation navigations aids, including Non-Directional Beacon production and support, satisfying diverse site and operational requirements around the world.
---

# Southern Avionics Company

 

[![About Us](https://no-cache.hubspot.com/cta/default/90253/9125bb1d-a0f1-4e23-a3e6-7c1cfd74d474.png)](https://cta-redirect.hubspot.com/cta/redirect/90253/9125bb1d-a0f1-4e23-a3e6-7c1cfd74d474)  [![Contact Us](https://no-cache.hubspot.com/cta/default/90253/105d8f56-1f0a-47b5-a884-a80ff7d04ca5.png)](https://cta-redirect.hubspot.com/cta/redirect/90253/105d8f56-1f0a-47b5-a884-a80ff7d04ca5)

---

[![img_productdetail-se-series-d](https://www.southernavionics.com/hs-fs/hub/90253/file-15912858.jpg?width=150&name=file-15912858.jpg)](https://www.southernavionics.com/products)

 

## [LAND](https://www.southernavionics.com/products)

---

[![SE125 Dual IP66](https://www.southernavionics.com/hs-fs/hubfs/SE125%20Dual%20IP66.jpg?width=150&name=SE125%20Dual%20IP66.jpg)](https://www.southernavionics.com/products)

 

## [OFFSHORE](https://www.southernavionics.com/products)

---

[![img_productthumb-sc1000-dgps](https://www.southernavionics.com/hs-fs/hub/90253/file-15914378.jpg?width=117&name=file-15914378.jpg)](https://www.southernavionics.com/products/dgps-systems)

 

## [DGPS](https://www.southernavionics.com/products/dgps-systems)

###### Services

---

## NDB and DGPS **Field Engineering Services**

![2638337_arrows_forward_right_sign_speed_icon (1)-1](https://www.southernavionics.com/hs-fs/hubfs/Assets/2638337_arrows_forward_right_sign_speed_icon%20(1)-1.png?width=100&name=2638337_arrows_forward_right_sign_speed_icon%20(1)-1.png)

#### NDB and DGPS Maintenance

Our technicians can help determine the best course of action to start up or repair your NDB or DGPS system.

[Learn more

](https://www.southernavionics.com/services/ndb-maintenance)

![2638337_arrows_forward_right_sign_speed_icon (1)-1](https://www.southernavionics.com/hs-fs/hubfs/Assets/2638337_arrows_forward_right_sign_speed_icon%20(1)-1.png?width=100&name=2638337_arrows_forward_right_sign_speed_icon%20(1)-1.png)

#### Onsite Assistance

Our fully certified field engineers assist our customers with a variety of on-site needs.

[Learn more

](https://www.southernavionics.com/services/installation)

![2638337_arrows_forward_right_sign_speed_icon (1)-1](https://www.southernavionics.com/hs-fs/hubfs/Assets/2638337_arrows_forward_right_sign_speed_icon%20(1)-1.png?width=100&name=2638337_arrows_forward_right_sign_speed_icon%20(1)-1.png)

#### Training

Southern Avionics Company will be holding technical training classes, contact us for details.

[Learn more

](https://www.southernavionics.com/services/equipment-training)

![2638337_arrows_forward_right_sign_speed_icon (1)-1](https://www.southernavionics.com/hs-fs/hubfs/Assets/2638337_arrows_forward_right_sign_speed_icon%20(1)-1.png?width=100&name=2638337_arrows_forward_right_sign_speed_icon%20(1)-1.png)

#### Testing and Inspection

Our fully certified field engineers assist in inspections by the USFAA, the International Civil Aviation, and other agencies.

[Learn more

](https://www.southernavionics.com/services/testing-and-inspection)

![2638337_arrows_forward_right_sign_speed_icon (1)-1](https://www.southernavionics.com/hs-fs/hubfs/Assets/2638337_arrows_forward_right_sign_speed_icon%20(1)-1.png?width=100&name=2638337_arrows_forward_right_sign_speed_icon%20(1)-1.png)

#### Equipment Upgrades

Although our equipment is the highest recommended NAVAIDs in the world, Southern Avionics continuously works to improve our products to better serve our customers.

![2638337_arrows_forward_right_sign_speed_icon (1)-1](https://www.southernavionics.com/hs-fs/hubfs/Assets/2638337_arrows_forward_right_sign_speed_icon%20(1)-1.png?width=100&name=2638337_arrows_forward_right_sign_speed_icon%20(1)-1.png)

#### Installation

Our highly trained technicians assist customers on-site in the NDB or DGPS installation process. If requested, we work with a customer from the early stages of the project through completion.

[Learn more

](https://www.southernavionics.com/services/installation)

[ Our Services ](https://www.southernavionics.com/services)

![selective-focus-photo-of-lighthouse-beside-sea-2062547](https://www.southernavionics.com/hs-fs/hubfs/Assets/selective-focus-photo-of-lighthouse-beside-sea-2062547.jpg?width=535&height=681&name=selective-focus-photo-of-lighthouse-beside-sea-2062547.jpg "selective-focus-photo-of-lighthouse-beside-sea-2062547")

## About Us & Why We are **The Best For the Job**

For six decades, Southern Avionics Company has been providing safe and reliable navigation aids for industrial, civil, and military users throughout the world. Southern Avionics’ products and services lead the industry as a navigation solution for both aviation and maritime situations.

[ More About Us ](https://www.southernavionics.com/about-us)

###### Our Products

---

## Navigation **Solutions**

[![se-series-edit](https://www.southernavionics.com/hs-fs/hubfs/Assets/se-series-edit.jpg?width=225&height=225&name=se-series-edit.jpg "se-series-edit")](https://www.southernavionics.com/products/ndb-transmitters)

### NDB Systems

- SE 125 Dual
- SE 125 Single
- SE250
- SE500
- SE1000
- Transportable

[![DGPs-edit](https://www.southernavionics.com/hs-fs/hubfs/Assets/DGPs-edit.jpg?width=400&height=400&name=DGPs-edit.jpg "DGPs-edit")](https://www.southernavionics.com/dgps-systems)

### DGPS Systems

- SC1000A DGPS
- SC500 DGPS 
- SC200 DGPS

[![Antenna-Tuning](https://www.southernavionics.com/hs-fs/hubfs/Assets/Antenna-Tuning.jpg?width=400&height=400&name=Antenna-Tuning.jpg "Antenna-Tuning")](https://www.southernavionics.com/products/atu)

### Antenna Tuning Units

- PC1000 Series 3
- PC1000 Series 4
- PC3000
- PV1000

[![Untitled-design-35](https://www.southernavionics.com/hs-fs/hubfs/Assets/Untitled-design-35.png?width=800&height=800&name=Untitled-design-35.png "Untitled-design-35")](https://www.southernavionics.com/products/transmitter-antennas)

### Antennas

- Mast
- Symmetrical T
- Helipad
- Whip

####  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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