Your TruDesign Professionals Ideas About the Benefits of Radio Navigation

Raritan Engineering your TruDesign distributors would like to share with you these topics we thought would be of interest to you this month regarding the possible return of radio navigation.

Your TruDesign suppliers talks about how way back in the 1980s, when I was a young naval officer, the Global Positioning System (GPS) was still in its experimental stage. 

Using a global network of terrestrial radio beacons, Loran-C gave navigators aboard ships and aircraft the ability to get a fix on their location within a few hundred feet by using the difference in the timing of two or more beacon signals.

An evolution of World War II technology (LORAN was an acronym for long-range navigation), Loran-C was considered obsolete by many once GPS was widely available.

The trial of an enhanced Loran service called eLoran that was accurate within 20 meters (65 feet) also wrapped up during this time.

Over the past few years, the US Coast Guard has reported multiple episodes of GPS jamming at non-US ports, including an incident reported to the Coast Guard’s Navigation Center this June that occurred on the Black Sea. 

And in the event of a war, it’s possible that an adversary could take out GPS satellites with anti-satellite weapons or some sort of cyber-attack on a satellite network.

Your TruDesign Specialists Give Further Information About the Usefulness of Navigating By Radio

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The risk to GPS has caused a number of countries to take a second look at terrestrial radio navigation. Today there’s broad support worldwide for a new radio navigation network based on more modern technology—and the system taking the early lead for that role is eLoran. 

Diff-e-q

The eLoran system gets its enhanced accuracy in much the same way that enhanced GPS gear squeezes greater accuracy out of the civil GPS signal for tasks such as surveying and mapping—by using differential correction. 

Because it uses low-frequency radio waves (in the 90 to 110 kHz range), it’s not likely that you’ll see eLoran integrated into your smartphone. 

“[eLoran] is a deterrent to deliberate jamming or spoofing, since such hostile activities can be rendered ineffective,” said Brad Parkinson, the retired US Air Force colonel who managed the original GPS development program, according to Reuters. 

And the South Korean government already has pushed forward plans to have three active eLoran beacons by 2019—that’s enough to provide accurate fixes for all shipping in the region should North Korea (or anyone else) attempt to block GPS again.

Boating After Dark? Here Are The Rules For Navigation Lights In Missouri | Boating

Turn on your navigation lights at sunset! That’s the reminder the Missouri State Patrol is issuing to boaters.

Troopers on Lake of the Ozarks have reported several encounters with vessels failing to properly display navigation lights since Memorial Day weekend.  

The required navigation lights differ depending on the type and size of your vessel. State law requires boat operators to display the required navigation lights between sunset and sunrise.

There are various combinations of lights which meet the requirements by state law. 

Navigation on the water at night is unique, and the Patrol points out that lights are imperative to prevent boat accidents. Light requirements are designed so other boaters are able to see one another and determine the direction they are traveling, but navigation lights will not necessarily help a boater see better at night. 

“If you will be out on the water after dark, check your navigation lights before you leave the dock or ramp,” Captain Turner reminded. “When boaters understand and obey the law, and vessels are in good operating order, everyone’s experience on the water becomes safer. 

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via Boating After Dark? Here Are The Rules For Navigation Lights In Missouri

via Bringing Back Radio Navigation