HN Explorer

redgridtactical

↗ HN profile [ 66.6 ms ] full profile
Karma
0
Created
()
Submissions
0
  1. Show HN: Topo maps and Meshtastic mesh networking in MGRS navigator (redgridtactical.com)

    A few weeks ago I posted about Red Grid MGRS, a free 10-digit MGRS navigator for iOS (Android shipping soon!). Based on your feedback I shipped a bunch of new updates: Topographic map layer with contour lines…

    3 points 0
  2. Ask HN: Anyone using Meshtastic/LoRa for non-chat applications?

    Meshtastic has gotten really popular for off-grid texting but I feel like the underlying architecture (LoRa mesh + BLE relay to phone) could do a lot more than chat. I added Meshtastic support to a navigation app I'm…

    14 points 0
  3. 1 points 0
  4. Show HN: Coordinate converter in a single HTML file (redgridtactical.github.io)

    Came across a few online MGRS, lat/lon, UTM, and DMS converters while doing some research for my app. They were covered in ads and none of them supported batch conversions or bearing calculations. I put one together as…

    3 points 0
  5. Ask HN: How do you handle peer-to-peer discovery on iOS without a server?

    I'm building an app that syncs between phones over Bluetooth when there's no cell service. Android has Nearby Connections API which handles discovery and transport nicely. iOS has Multipeer Connectivity but it's flaky…

    7 points 2
  6. Show HN: Red Grid Link – peer-to-peer team tracking over Bluetooth, no servers (github.com)

    I go on a lot of backcountry trips where I barely get cell service. If my group splits, nobody knows knows where anyone is until you regroup at camp or at your destination. You can buy Garmin radios or try to set up an…

    54 points 14
  7. My GPS app makes zero HTTP requests (redgridtactical.github.io)
    4 points 1
  8. Show HN: Red Grid MGRS – Open-Source DAGR-Class GPS Navigator for iPhone (github.com)

    The military's DAGR GPS receiver costs $2,500 and weighs a pound. I built an open-source alternative that runs on your iPhone — live 10-digit MGRS coordinates, magnetic declination, waypoint navigation, 8 tactical…

    2 points 1
  9. 1 points 0
  10. I built an app to replace the DAGR – $3.99 instead of $2,500 (github.com)
    1 points 2