Navigation Rules Pro vs Tremap

Navigation Rules Pro has everything in our popular Navigation Rules app plus over 100 pages of additional important reference material. Navigation Rules Pro contains a complete copy of the International Regulations for Preventing Collisions at Sea, 1972 (COLREGS), including amendments and the Inland Navigation Rules, in effect for all inland waters, including the Great Lakes plus the following information a boater needs: * Sound and Light Signals Quick Reference * Steering and Sailing Rules Quick Reference * Aids to Navigation (AtoN) * Bridge Lighting Quick Reference * Lock Procedures * U.S. Federal Requirements for Recreational Boats * Communication information - DSC, Rescue 21, International Code Signals, semaphore flags, distress signals, phonetic alphabet, prowords, international morse code. * Weather and Oceanography * Law Enforcement * Boating Calculators * Unit Conversions Navigation Rules Pro includes the COLREGs most recent version dated - June 28th, 2019. This app includes an annotated table of contents and a search function to help the reader quickly find the rule and related references. A Favorites page allows quick access to commonly referenced pages. Use the email function to share a page with others. If you are a boater you need to know this information.

Tremap is the global tree inventory – the definitive way to map trees, record species, build collections, and showcase Species Sponsors. From gardens and estates to councils, campuses, cities and airports, Tremap creates clear, accurate tree records that grow in value every time a tree is added. USE YOUR PHONE TO MAP EVERY TREE Record any tree in seconds. Add species, GPS location, photos, notes and condition data. Every tree becomes part of the world's growing digital treescape, supported by organisations sponsoring species that matter. • Map trees anywhere in the world with GPS-accurate placement • Record species, photos, notes and tags instantly • Species entries enriched by sponsor partners • Go Premium for private data protection CONTRIBUTE TO THE WORLD'S LARGEST TREE INVENTORY Build a single, reliable record of every tree. Search and group by species, priority or location. Track condition changes over time. Perfect for estates, councils, campuses, airports, gardens and contractors managing trees at scale. SPECIES SPONSORS – VISIBLE WHERE IT MATTERS Many species on Tremap are backed by Species Sponsors: organisations who support their protection, documentation and long-term understanding. Sponsors drive conservation work, community mapping, expanded datasets, biodiversity research and the recording of rare and culturally significant trees. Sponsored species display a Sponsor Badge, giving organisations meaningful visibility at tree-level and species-level across the map. INTERACTIVE MAPS FOR TEAMS, VISITORS & PROJECTS View all trees on one live map. Share with staff, clients and visitors. Highlight sponsored species. Support planning, conservation, heritage and ESG reporting instantly. EXPORT FOR AUDITS, REPORTS & MANAGEMENT Export tree data in clear formats ready for ESG and sustainability reporting. Ideal for arborists, consultants and contractors managing tenders, risk checks and planning applications. USED ACROSS THE WORLD Tremap powers tree inventories from Cornwall to Calcutta, supporting estates, universities, local authorities, major landscapes, infrastructure sites and global collections. Every new tree strengthens the map of the world's treescape. Map it. Know it. Care for it.