{"id":87961,"date":"2026-02-13T23:18:28","date_gmt":"2026-02-14T02:18:28","guid":{"rendered":"https:\/\/tech.einnews.com\/article\/892260473"},"modified":"2026-02-13T23:18:28","modified_gmt":"2026-02-14T02:18:28","slug":"deep-sea-deep-tech","status":"publish","type":"post","link":"https:\/\/new7.shop\/zerocostfreehost\/index.php\/2026\/02\/13\/deep-sea-deep-tech\/","title":{"rendered":"Deep Sea, Deep Tech"},"content":{"rendered":"
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As this region grows in strategic and scientific importance, reliable sensing and communication technologies have become essential. Very low-frequency (VLF) acoustic sources\u2014such as GeoSpectrum\u2019s C-Bass\u2014are emerging as a critical enabler of sustained Arctic surveillance. These systems support four core capabilities: 1. Accurate environmentspecific performance prediction; 2. Robust undersea communication between unmanned assets and remote operators; 3. Long-range passive monitoring using cost-effective autonomous platforms; 4. Precise under-ice localization and tracking at key chokepoint locations.<\/p>\n

VLF sources are uniquely suited to Arctic conditions. Their signals propagate across vast distances with minimal energy loss, allowing wide-area coverage in complex and icecovered waters. Equally important, their ability to operate autonomously for extended periods reduces the need for frequent maintenance or human intervention\u2014 an essential advantage in remote polar regions and deep ocean basins where access is limited and costly. Together, these attributes position VLF technology as a cornerstone for persistent, scalable, and resilient Arctic undersea operations.<\/p>\n

LOW FREQUENCIES, HIGH IMPACT<\/h4>\n

Ongoing field experiments, such as the Central Arctic Acoustic Thermometry Experiment (CAATEX), a research program focused on improving understanding of climate-driven change in the central Arctic Ocean, have demonstrated how long-range acoustics can support both scientific research and operational awareness in this remote environment. One such effort involved the deployment of very low-frequency sound sources as part of a basin-scale study of the Arctic Ocean.<\/p>\n

In the summer and fall of 2019, C-Bass sound sources were installed on autonomous subsea moorings equipped with onboard computers, signal generators, amplifiers, and battery power. Relying on batteries rather than surface vessels allowed the systems to operate independently for extended periods, a practical necessity in ice-covered regions where access is limited. Each source was programmed to transmit acoustic signals every third day over the course of a year, providing a consistent and repeatable signal set for analysis.<\/p>\n

EXTENSIVE COVERAGE<\/h4>\n

The reception ranges from the C-Bass sources extended across the entire Arctic Basin, including in excess of 2,500 km. This wide coverage enables researchers to examine acoustic propagation over long distances and under varying ice and oceanographic conditions, contributing to a clearer picture of how the Arctic Ocean is responding to a warming climate.<\/p>\n

Increased funding for deep-water research and surveillance strengthens the ability of the ocean technology and defense sectors to support informed decisions, environmental stewardship, and defense priorities in a rapidly changing world.<\/p>\n

This spotlight appeared in ON&T Magazine\u2019s 2026 February Edition, Exploring the Deep<\/em>,<\/i> to read more access the magazine here<\/a>.<\/p>\n

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… . Together, these attributes position VLF technology<\/span> as a cornerstone for persistent … the ability of the ocean technology<\/span> and defense sectors to support …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-87961","post","type-post","status-publish","format-standard","hentry","category-news","wpcat-1-id"],"_links":{"self":[{"href":"https:\/\/new7.shop\/zerocostfreehost\/index.php\/wp-json\/wp\/v2\/posts\/87961","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/new7.shop\/zerocostfreehost\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/new7.shop\/zerocostfreehost\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/new7.shop\/zerocostfreehost\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/new7.shop\/zerocostfreehost\/index.php\/wp-json\/wp\/v2\/comments?post=87961"}],"version-history":[{"count":0,"href":"https:\/\/new7.shop\/zerocostfreehost\/index.php\/wp-json\/wp\/v2\/posts\/87961\/revisions"}],"wp:attachment":[{"href":"https:\/\/new7.shop\/zerocostfreehost\/index.php\/wp-json\/wp\/v2\/media?parent=87961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/new7.shop\/zerocostfreehost\/index.php\/wp-json\/wp\/v2\/categories?post=87961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/new7.shop\/zerocostfreehost\/index.php\/wp-json\/wp\/v2\/tags?post=87961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}