kjerram
kjerram
Ongoing topic from RVTEC email 2023-05-16 (Paul Duncan, SOI), posted with permission: Symptoms: POS MV errors traced down to interference from Inmarsat C transmission close to the GNSS antennas. Suggestions...
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Credit to Brian Calder (UNH) for all information and images, adapted/paraphrased by MAC for posting here. Context: Major interference in EM122 data on I/B Oden in 400-500 m in Nares...
Credit to Liz Ricci (UW) for reporting symptoms and troubleshooting with Kongsberg technical support. Symptoms: SIS 4 (EM302) grid engine fails intermittently during survey, making it impossible to monitor real-time...
Sippican (Lockheed Martin) is the most common provider for XBT probes. Lead times, inventory, and contact information can change season to season. A May 2025 [RVTEC ](https://www.unols.org/committee/research-vessel-technical-enhancement-committee-rvtec) thread provided several...
**Symptoms** 1. EM2040P showing a very low ping rate (~0.2 Hz or once every ~5 s) while attempting to map in typical depths of 10-100 m. 2. EM2040P gives error:...