{"id":41507,"date":"2025-04-18T00:01:20","date_gmt":"2025-04-17T23:01:20","guid":{"rendered":"https:\/\/www.ispreview.co.uk\/?p=41507"},"modified":"2025-04-15T12:03:42","modified_gmt":"2025-04-15T11:03:42","slug":"study-examines-patchy-uk-mobile-coverage-on-the-south-west-mainline","status":"publish","type":"post","link":"https:\/\/www.ispreview.co.uk\/index.php\/2025\/04\/study-examines-patchy-uk-mobile-coverage-on-the-south-west-mainline.html","title":{"rendered":"Study Examines Patchy UK Mobile Coverage on the South West Mainline"},"content":{"rendered":"<p>Network analyst firm <a href=\"https:\/\/streetwave.co\/\" target=\"_blank\" rel=\"noopener\">Streetwave<\/a> has conducted an anecdotal study of UK mobile coverage (<a href=\"https:\/\/www.ispreview.co.uk\/index.php\/link\/4g\">4G<\/a>, <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/link\/5g\">5G<\/a> etc.) and mobile broadband speeds along the South West Mainline \u2013 as operated by South Western Railway (SWR). This found that customers connected via mobile operator <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/go\/eebroadband\" rel=\"nofollow\" target=\"_blank\">EE<\/a> received the best coverage, while <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/go\/o2uk\" rel=\"nofollow\" target=\"_blank\">O2<\/a> were the weakest.<!--more--><\/p>\n<p>The South West Mainline is a 143 miles long (230km) major railway (train) line between London&#8217;s central Waterloo station and Weymouth (Dorset) on the central south coast of England. The line is a key commuter route and around 118 trains a day run between the cities according to Trainline.<\/p>\n<div class=\"bq2\"><strong>NOTE:<\/strong> The singular survey was conducted on the 20th March 2025, starting at 6:30am on a 2-hour and 16-minute journey between London and Bournemouth. The railway journey was conducted by SWR on a Class 450 train. The train was only around 30% full during the journey.<\/div>\n<p>Streetwave defines &#8220;<em>Essential Coverage<\/em>&#8221; as being reflective of locations where the network provides users with connectivity of above 1Mbps download speeds, 0.5Mbps upload, and below 100ms (milliseconds) of latency (i.e. covering or allowing only the most basic of use cases \/ needs).<\/p>\n<p>Overall, <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/go\/eebroadband\" rel=\"nofollow\" target=\"_blank\">EE<\/a> delivered the highest levels of Essential Coverage across the line \u2013 with 68% of the railway covered and their &#8220;<em>simulated passenger<\/em>&#8221; being without a dependable internet connection for a total of 44 minutes during the trip. But others fared worse. The fact that <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/go\/eebroadband\" rel=\"nofollow\" target=\"_blank\">EE<\/a> came top is not so surprising when you consider that SWR has a strategic partnership with <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/go\/britishtelecom\" rel=\"nofollow\" target=\"_blank\">BT<\/a> (who manage the EE network, which SWR&#8217;s onboard Wi-Fi uses).<\/p>\n<blockquote><p><span style=\"color: #339966;\"><strong>Essential Coverage Scores on South West Mainline<\/strong><\/span><\/p>\n<p>1. EE &#8211; 68%<br \/>\n2. <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/go\/vodafoneuk\" rel=\"nofollow\" target=\"_blank\">Vodafone<\/a> &#8211; 55%<br \/>\n3. <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/go\/threeuk\" rel=\"nofollow\" target=\"_blank\">Three UK<\/a> &#8211; 42%<br \/>\n4. <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/go\/o2uk\" rel=\"nofollow\" target=\"_blank\">O2<\/a> &#8211; 33%<\/p>\n<p><span style=\"color: #339966;\"><strong>Time Simulated Passenger Spent Without a Dependable Internet Connection<\/strong><\/span><\/p>\n<p>1. EE &#8211; 44 minutes<br \/>\n2. <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/go\/vodafoneuk\" rel=\"nofollow\" target=\"_blank\">Vodafone<\/a> &#8211; 61 minutes<br \/>\n3. <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/go\/threeuk\" rel=\"nofollow\" target=\"_blank\">Three UK<\/a> &#8211; 79 minutes<br \/>\n4. <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/go\/o2uk\" rel=\"nofollow\" target=\"_blank\">O2<\/a> &#8211; 91 minutes<\/p><\/blockquote>\n<p>The survey was admittedly very anecdotal and really needed to be conducted several times, on different days and times of day, in order to produce a stronger level of data. But it does still provide a useful, if limited, snapshot of how mobile connectivity performs on the line (remember the onboard Wi-Fi service is usually also supplied via mobile capacity).<\/p>\n<p>The results might also help to inform the current debate between mobile operators and the government. This is over whether public money should be diverted from the \u00a31bn industry-led <strong>Shared Rural Network<\/strong> (SRN) to subsidise coverage improvements along Britain\u2019s railway lines.<\/p>\n<p>Finally, it&#8217;s worth noting that SWR are currently developing &#8220;<em>superfast Wi-Fi technology<\/em>&#8221; with <strong>FirstGroup<\/strong>, which will be installed between Earlsfield and Basingstoke. This trackside solution will be fully integrated with their existing onboard Wi-Fi service, which will benefit their mainline passengers.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Network analyst firm Streetwave has conducted an anecdotal study of UK mobile coverage (4G, 5G etc.) and mobile broadband speeds along the South West Mainline \u2013 as operated by South Western Railway (SWR). This found that customers connected via mobile operator EE received the best coverage, while O2 were the weakest.<\/p>\n","protected":false},"author":1,"featured_media":21033,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[1],"tags":[61,406,405,60,32,34,63,78,96,476],"class_list":["post-41507","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uk_isp_news","tag-4g","tag-5g","tag-ee","tag-mobile-broadband","tag-o2","tag-statistics","tag-three-uk","tag-trains","tag-vodafone","tag-wifi"],"share_on_mastodon":{"url":"https:\/\/mastodon.social\/@ispreview\/114355797146008133","error":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Study Examines Patchy UK Mobile Coverage on the South West Mainline - ISPreview UK<\/title>\n<meta name=\"description\" content=\"Network analyst firm Streetwave has conducted an anecdotal study of UK mobile coverage (4G, 5G etc.) and mobile broadband speeds along the South West\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ispreview.co.uk\/index.php\/2025\/04\/study-examines-patchy-uk-mobile-coverage-on-the-south-west-mainline.html\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Study Examines Patchy UK Mobile Coverage on the South West Mainline - 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