Page 72: of Marine Technology Magazine (September 2023)

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SOUTH BAY CABLE SUBCTECH HOHONU https://southbaycable.com/ www.subctech.com https://www.hohonu.io/

For more than 65 years, South Bay SubCtech offers underwater power so- Hohonu provides actionable real-time

Cable has been a leader in custom cable lutions and ocean monitoring systems. data and insights from a comprehensive engineering and manufacturing. South Li-Ion batteries PowerPacks, pCO2 ana- environmental sensor and data deliv-

Bay Cable works closely with clients lyzers OceanPack and system solutions ery network for more than 100 sensors to achieve a shared goal: engineer- are our core products and a one-stop in 13 states. The company was started ing, building, and delivering a cable service. in Hawai’i in 2014 while trying to help that does the job and lasts. South Bay SubCtech GmbH “Subsea Technolo- understand the chemistry involved in

Cable was founded in 1957 in the South gies for the Marine Environment” is reconstructing healthy ? sh ponds using

Bay of Los Angeles. Gordon and Joyce the producer of Li-Ion PowerPacks and cost-effective sensors. Hohonu sea level

Brown, the founders and owners, started OceanPack measurement systems used sensors now measure water depth and by building custom cables, assemblies, for scienti? c research and industrial provide precision forecasting to help and connectors in their garage in Gar- monitoring of water quality and oceano- communities prepare for and respond to dena, California. Beginning with three graphic parameters. SubCtech reaches emergency ? ooding. Hohonu’s process divisions under the parent corporation all target markets with the product fam- was designed with three pillars: adapta- of Consolidated Products, the Browns ily of subsea Li-Ion batteries in the divi- tion and resilience consultation, installa- set out to provide a service that went sion “Ocean Power”. tion best practices, and community data beyond the catalogs. In the late 1960s, In particular, the oil and gas offshore sharing. Hohonu is working with an ex- the Browns moved their operation to the industry requires increasingly autono- isting network of 30 ? shponds to install mountains of Riverside County, in Idyll- mous systems for greater and greater sensors gathering insights on the biggest wild, and eventually added a second depths; for example, large energy stor- environmental, climate, or technologi- manufacturing facility in Temecula. As age systems, which are being built right cal barriers to effective ? shpond res- businesses in the industry changed and now. toration. Hohonu can provide low-cost evolved, the demand for custom cable Complete systems are projected to- regional instruments and data networks, eclipsed the need for connectors and as- gether with data loggers and the imple- driven by coastal community needs, and semblies, and the South Bay Cable divi- mentation of sensors. A constant level of will allow for quanti? able comparisons sion became the sole manufacturer and high quality is ensured thanks to certi? - of biogeochemical processes for resto- name. Advances in material chemistry cation and periodic audits by the oil and ration activities to promote resilience have increased SBC’s ability to build gas industry. and capacity to adapt to adverse events. cables that are lighter and stronger than Projects in depths of up to 6000m are Hohonu sensors are solar-powered and ever before, which allows for explora- realized in the division of “Ocean Moni- cell-connected, small enough to be out tion at greater ocean depths. A game- toring” with the adaptation of sensors of sight, and ? t well on ? xed land-based changer for the cables is the data rate for pCO2. structures. Installation is about the same of ? ber optics (versus coax and analog). The pCO2 analyzers are used for mari- dif? culty as assembling bedroom furni-

SBC’s role in the marine technology in- time surveillance and research on buoys ture and takes as little as a few minutes. dustry can be credited to their expertise, and ships. The exclusive production of Hohonu’s proprietary Tidecast model cutting-edge innovations and ability to LI-COR pCO2 analyzers enables it to uses machine learning to predict tides deliver solutions that withstand chal- offer competitive solutions. up to 80% more accurately than stan- lenging marine environments. dard tide predictions. 72 September/October 2023

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