off-grid-communications
15 videos tagged off-grid-communications across 4 categories.
All videos
Radioddity VB70 70-Watt Mobile VHF Radio Tested
Fifteen-minute hands-on review of the Radioddity VB70, a 70-watt 2-meter VHF transceiver for mobile, off-grid, and ham radio use.
JS8Call Message Storage and Retrieval Over Ham Radio
How to send and receive ham radio messages without direct radio contact or internet, using store-and-forward relay stations on HF bands.
Portable Ham Radio NVIS Winlink Session | N9SAB Linked EFHW
Field demonstration of portable HF ham radio using NVIS antenna for regional communications via Winlink gateway without grid infrastructure.
LiNK500MP MK2 Wireless GPS for Ham Radio: When Is It Coming?
Technical breakdown of wireless GPS integration challenges in the Lab599 TX-500MP radio interface, and the proposed Bluetooth solution for off-grid field communications.
No SIM Phone Number
14-minute walkthrough on setting up a phone number using XMPP/Jabber and jmp.chat ($5/month) without relying on cellular towers or SIM cards.
Episode 4: When Everything Fails
Medical protocols, PPE loadouts, and communication systems for compound disaster scenarios involving disease outbreaks and grid failure.
Testing the N9SAB Linked EFHW Ham Radio Antenna
Hands-on test of the N9SAB Linked EFHW antenna, evaluating performance and setup for off-grid ham radio communications.
Digital Modes, APRS & Field Ops with Craig KM6LYW
Two operators discuss portable ham radio data modes in the field: APRS for safety, Winlink for off-grid email, DigiPi builds, solar power setups, and radio selection for backpack deployments.
Off-Grid Mesh Network Review: Meshtastic Devices and Solar Node Installation
Hands-on review of three Meshtastic LoRa mesh devices: SenseCAP Card Tracker, Wio Tracker, and SenseCAP Solar Node, with real-world range testing, specs, and cost breakdown for off-grid communications.
Portable Ham Radio FT8 Adventure in KP34XT Finland
Three-minute field demonstration of portable QRP ham radio setup (Icom IC-705, Chameleon antenna) operating FT8 digital mode in remote Finnish backcountry.
Portable Ham Radio Anytime Anywhere
Field test of a 5-watt portable ham radio setup (Icom IC-705, Chameleon antenna) demonstrating effective communication from a remote location without a tuner.
The USB C Trick That Powers My Radio
Build a self-sustaining field radio setup using a power station, solar panel, and USB C trigger cable for portable communications.
Digital Radio Off-Grid: DMR Running Without Power Grid
Live demonstration of DMR digital radio operating completely off-grid using car power, Raspberry Pi WiFi hotspot, and Starlink backhaul—showing how communications infrastructure persists when grid power fails.
Portable Ham Radio Setup: QRP Station with Off-Center Fed Dipole
Forty-four-second walkthrough of a portable ham radio station: QRP radio, carbon-fiber mast, and multi-band dipole antenna deployable in five minutes.
WSPR Watch & HamAlert: Two Free iPhone Apps for Ham Radio Operators
Eight-minute walkthrough of two free iPhone apps for amateur radio operators: WSPR Watch for real-time spot visualization and HamAlert for DX alerts via push notifications, with setup tips and real-world demos.