benjamin1945 16,139 Posted February 6, 2019 Report Share Posted February 6, 2019 6 minutes ago, radfordred said: You two @benjamin1945 & @trogg will cop it later when the quote previous post police come along later? Gone now.........lol 1 Quote Link to post Share on other sites
radfordred 6,284 Posted February 6, 2019 Report Share Posted February 6, 2019 Broken ....... Taking me shirt off boss! 1 Quote Link to post Share on other sites
trogg 2,010 Posted February 6, 2019 Report Share Posted February 6, 2019 Duly reprimanded RR , I promise to try harder in future, my excuse , it usually works, " its me age". Quote Link to post Share on other sites
Tompa 285 Posted February 18, 2019 Report Share Posted February 18, 2019 It will be a great loss to many modelers 1 Quote Link to post Share on other sites
plantfit 7,580 Posted February 18, 2019 Report Share Posted February 18, 2019 Look at all those Mamod steam engines in the glass case, every schoolboys introduction to how steam power worked Rog Quote Link to post Share on other sites
plantfit 7,580 Posted February 18, 2019 Report Share Posted February 18, 2019 Hawker Harrier, Rog 1 1 Quote Link to post Share on other sites
denshaw 2,871 Posted February 20, 2019 Report Share Posted February 20, 2019 Motorists asking for directions. Quote Link to post Share on other sites
FLY2 10,108 Posted February 20, 2019 Report Share Posted February 20, 2019 Too many rely on sat navs, and are totally unable to read maps. A ludicrous situation. Quote Link to post Share on other sites
catfan 14,793 Posted February 20, 2019 Report Share Posted February 20, 2019 Have a Harrier from me too Rog ! This one parked up at Bletchley Park. 1 1 Quote Link to post Share on other sites
Tompa 285 Posted February 20, 2019 Report Share Posted February 20, 2019 2 Quote Link to post Share on other sites
philmayfield 6,115 Posted February 20, 2019 Report Share Posted February 20, 2019 35 minutes ago, denshaw said: Motorists asking for directions. When I used to travel on business many years ago, before satnav, I used to stop at a newsagent’s on the outskirts of the town and buy an A to Z. I still have have a cupboard full of them ranging from Accrington to Yeovil! 1 Quote Link to post Share on other sites
FLY2 10,108 Posted February 20, 2019 Report Share Posted February 20, 2019 We had loads for use on Forest's away trips. Alternatively the Good Beer Guide sufficed. Quote Link to post Share on other sites
catfan 14,793 Posted February 20, 2019 Report Share Posted February 20, 2019 I think one of the best things sliced bread are satnavs. A free phone app is all you need. Much better than any paper map ever was. I learned map reading in the boy scouts too!! 2 1 Quote Link to post Share on other sites
loppylugs 8,427 Posted February 20, 2019 Report Share Posted February 20, 2019 Since you bring up Satnavs, Mick. Here's something I've always wondered about. Maybe some of our techie guys might have an answer. The original satnav has no aerial yet is supposed to be receiving satellite signals. My tv needs quite a big dish to get signals and it must be accurately set up not moving around. Modern smartphones with the correct app can now fulfill the role of Satnavs. A mobile phone does not claim to be connected to a satellite. Sooo. is it working via a process of triangulation? If so is that how satnavs have always worked and never connected with a satellite? Quote Link to post Share on other sites
plantfit 7,580 Posted February 20, 2019 Report Share Posted February 20, 2019 The aerial wire runs along the edge of the device hidden behind a steel band Rog 1 Quote Link to post Share on other sites
catfan 14,793 Posted February 20, 2019 Report Share Posted February 20, 2019 Dave I use Here Maps. http://www.androidtipsandhacks.com/android/here-maps-best-satnav-app-android-free/ Pre downloaded maps on the phone & then uses the phone's built in GPS module as Rog explained. The beauty is this app uses no data & can be used in walking, cycling or driving mode. Works very well. 1 Quote Link to post Share on other sites
loppylugs 8,427 Posted February 20, 2019 Report Share Posted February 20, 2019 Not knocking your info, Rog. The question is still can such a device connect to a satellite? Especially with the car twisting and turning etc. when other systems need a carefully aligned dish. Just doen't quite add up to me. Part of the unexplained I guess. Edited to add. Thanks Mick. Your response just came in as I responded to Rog. above. I'll read over it somemore. 1 Quote Link to post Share on other sites
Ayupmeducks 1,730 Posted February 20, 2019 Report Share Posted February 20, 2019 Antennas for those frequencies are only about a half inch long at the most Dave, so it will be inside the case, probably across the top. 1 Quote Link to post Share on other sites
plantfit 7,580 Posted February 20, 2019 Report Share Posted February 20, 2019 I think satalite TV picks up it's signal from one satalite, sat navs pick up signals from more, mine picks up it's signals from five different satalites Rog 1 Quote Link to post Share on other sites
loppylugs 8,427 Posted February 20, 2019 Report Share Posted February 20, 2019 Correct Rog. I'm just surprised with all the rockin' and rollin' it manages to connect to any for very long. Quote Link to post Share on other sites
Ayupmeducks 1,730 Posted February 20, 2019 Report Share Posted February 20, 2019 To give an accurate position, you'd need two different satellites at one time, bit like fixing a radio station to track it down by "triangulation", only in that case on the same frequency. GPS uses two frequencies, one in the 1.2Ghz region and the other at 1.5Ghz region, antennas would be around 1/2 inch long. Yes satellite tv and radio uses one satellite per service, They are all in geosynchronous orbits, whereas GPS uses low earth orbiting satellites, better known as LEOS. Quote Link to post Share on other sites
benjamin1945 16,139 Posted February 20, 2019 Report Share Posted February 20, 2019 Couldn't agree more John.......Triangulation on the same frequency absolute must.......and the world just wouldn't be the same without a few Geosynchronous Orbits........... 4 1 Quote Link to post Share on other sites
Ayupmeducks 1,730 Posted February 20, 2019 Report Share Posted February 20, 2019 99% of your phone services now go through Geosynchronous satellites, so you're probably right Ben...LOL 2 Quote Link to post Share on other sites
plantfit 7,580 Posted February 20, 2019 Report Share Posted February 20, 2019 What Ben said Rog 1 Quote Link to post Share on other sites
loppylugs 8,427 Posted February 20, 2019 Report Share Posted February 20, 2019 Watch it, Ben! You could get eaten by a low flying LEO once it trangulates your position. Better keep your LB on. 2 Quote Link to post Share on other sites
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