Loran is back!  - Page 1
Forum section: electronics / general

author: LabSpokane
author_rank: Super Contributor
timestamp: August 08, 2017, 02:44:52 am
content: https://arstechnica.com/gadgets/2017/08/radio-navigation-set-to-make-global-return-as-gps-backup-because-cyber/eLoran looks like it's going to be funded! This is huge for aviation and shipborne navigation as well as an anti-spoofing check. Hopefully, no one will be dumb enough to turn off Loran again.

author: WastelandTek
author_rank: Frequent Contributor
timestamp: August 08, 2017, 03:15:33 am
content: now if we can get them to put the storm warnings back on WWV...

author: EEVblog
author_rank: Unknown
timestamp: August 08, 2017, 04:06:51 am
content: Don't the receivers go for a song on ebay these days?

author: LabSpokane
author_rank: Super Contributor
timestamp: August 08, 2017, 04:39:01 am
content: Quote from: EEVblog on August 08, 2017, 04:06:51 amJust looked. The first one I ever saw/used is priced less than the shipping cost, so yes.I might have to buy one just for the fun of tearing it down.==========http://gpsworld.com/innovation-enhanced-loran/Here's a nice article on eLoran. All we have to do is buy the equipment and plug it in. I'm just hoping the US Coast Guard didn't sell/give away the Loran-C sites.

author: Brumby
author_rank: Unknown
timestamp: August 08, 2017, 05:10:50 am
content: Quote from: LabSpokane on August 08, 2017, 02:44:52 amIn today's world of hacking, this alone would earn my vote to keep it running.

author: chickenHeadKnob
author_rank: Super Contributor
timestamp: August 08, 2017, 10:16:08 am
content: But loran would be even easier to execute a denial of service attack on, No?

author: Halcyon
author_rank: Unknown
timestamp: August 08, 2017, 12:35:32 pm
content: Quote from: chickenHeadKnob on August 08, 2017, 10:16:08 amWell, no, not really. Even if you had a bunch of high power transmitters dotted around the country (which would make them easy to triangulate, locate and disable). Additionally, the new e-LORAN system would receive signals from various stations for redundancy.

author: LabSpokane
author_rank: Super Contributor
timestamp: August 08, 2017, 01:14:53 pm
content: Quote from: chickenHeadKnob on August 08, 2017, 10:16:08 amQuite the opposite. The received Loran signal is many orders of magnitude stronger than GPS.

author: IanMacdonald
author_rank: Frequent Contributor
timestamp: August 08, 2017, 03:19:13 pm
content: I hope he's not trying to run that floated.-Wait a mo though, it's probably on a boat so...

author: chris_leyson
author_rank: Super Contributor
timestamp: August 08, 2017, 05:36:40 pm
content: There has been a lot of talk for quite a while about bringing LORAN back, not surprising really given that GPS transmissions are very weak and easy to spoof.Had a lot of fun listening to VLF transmissions back in the day, managed to pick up an Omega station at 11kHz with a small loop antenna and then a few weeks later nothing, turns out it went off air, late 90's. Submarine transmissions at 16kHz and 60kHz using Piccolo MFSK, LORAN-C, DECCA. Most have probably all disapeared by now, haven't listened in ages. Oh yeah, then was that annoying LORAN-A transmitter at East Blockhouse, Pembroke, that blocked out most of top band, was glad when they switched that one off.Good to see eLoran make a comeback.

author: gregariz
author_rank: Frequent Contributor
timestamp: August 14, 2017, 08:52:40 am
content: Quote from: LabSpokane on August 08, 2017, 04:39:01 amThey did to some of them, I remember seeing them up for sale some years back.