This year’s Summer Spine Race series, GPS accuracy, getting the best battery life on a GPS unit or watch whilst participating in an Ultramarathon and Andy’s Top Tips.In this month’s GPS Training Podcast 1. We look forward to this year’s Spine Race and how our race prep is doing – 1 min2. GPS accuracy – What is good, settings and how have things changed over the years? – 26 min 35 seconds3. Getting the best out of your battery – during an ultra event – both units and watches – 36 minutes 55 seconds4. Andy’s top tips – 45 minutes 55 seconds 1. We look forward to this year’s Spine Eventx 4 distancesSprint – Starts Saturday afternoon – 15th June –46 miles18 hours to completeEdale to Hebdon BridgeSpine Challenger South – Starts Saturday morning – 15th June –108 miles60 hours to completeEdale to HardrawCP1 – Hebdon Hay, CP 1.5 – Malham TarnSpine Challenger North – Starts Monday morning – 17th June –160 miles90 hours to completeHardraw to Kirk Yetholm, Scottish BordersCP1 – Low Way Farm, Middleton on TeesdaleCP2 – Alston YHCP3 – BellinghamCP3.5 – ByrnessFull Spine Race – Starts Sunday morning – 16th June –268 miles156 hours to completeEdale to Kirk Yetholm, Scottish BordersPaul Turner, Byrness Hill – Walking an epic 1000 mile. His walk will include both the Coast to Coast & the Pennine Way (walking each twice) & finishing with the Yorkshire Dales Centurion Walk.Paul’s Just Giving page – https://www.justgiving.com/team/pauls1000miletrek– Training– Doing anything different this year– Thoughts ahead of this year’s event?Jon’s Just Giving – https://www.justgiving.com/team/spinenorthjonAndy’s Just Giving – https://www.justgiving.com/team/andyayrespinechallenger  2.   GPS accuracy – What is good, settings and how have things changed over the years?3 x Satellites show position 2d, 4 x Satellites 3d elevationWhat is Multi GNSS (Global Navigation Satellite system)Device picks up more than one set of Satellite ConstellationsMain ones we use in devices such as Garmin, TwoNav, CorosGPS – USA 1978 started Military – Global use 199431 SatellitesGlonass – Russian development 1976 – operational early 80’s24 Satellites operationalGalileo – EU – 2016 started26 OperationalBeidou – China – Started 201256 OperationalTwonav does not use duel frequency but multi-band uses 3 x satellite constellations at once, we have been using GPS, Galileo & Beidou and seeing under 10 feet and have seen down to 4 – 5 feetGPSMap65,67 dual frequency have seen down to 6 feetGenerally we find other handhelds picking up either GPS & Glonass or GPS & Galileo around 10 – 12 feetGarmin Watches do not show an accuracy screenCoros has a Satellite screen where you can see how many are in view and how many are strongly locked onWhat is Dual Frequency / Multi BandUse Coros ArticleGPS – 18 satellite transmit at L1 & L5Glonass – older L1 & L2 no L5Galileo – all E1 & E5Beidou – all B1 & B2Devices we sell with dual frequency Epix gen 2, Fenix 7 sapphire solar & pro modelsGPSMap65,65s,66sr,67,67i How accurate is a GPS unit/ watch video – https://gpstraining.co.uk/blogs/reviews/how-accurate-is-a-gps-unit-and-which-is-the-most-accurate-gps-unit 3. Getting the best out of your battery – during an ultra event – both units and watchesWe always talk about backlight if you have option to reduce, not leaving on map page, turning off HR on watches, coros turn off stress monitoring, nighttime coros use nightmode, gesture control vastly improved or just tap backlight button etc, map North up although we do prefer track upHandhelds use battery save mode screen offBut carrying on from the discussion about satellitesMy own Epix 2 Pro 51mmGPS Only – 82 hrsAll Systems not dual ie Multiband – 61hrsAll systems + multi-band – 37 hrsAuto select picks satellite so battery will go up and down – 58hrs approx.Coros Apex 2 proGPS Only – 66hrsAll Systems – 41hrsAll System Dual – 24hrs4. Top Tips View your Card reader on pc or adaptor like the one we stock makes maps so much quickerVideo – Taking you through the option – GPSTraining.co.uk > Product Reviews > View your Garmin