Uploaded November 2025 | Updated September 2026, 3 weeks ago
Just a quick update some R&D from TTP Lab.
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Just a quick update some R&D from TTP Lab.
SUPPORT
buymeacoffee.com/thetechprepper/membership
STORE
shop.thetechprepper.com
AMAZON STORE
amazon.com/shop/thetechprepper
#thetechprepper #emcommtools #hamradio
![Long range off-grid text messaging demo [Unedited]](https://i.ytimg.com/vi/cbW4WOafNjM/mqdefault.jpg "Long range off-grid text messaging demo [Unedited]
Just a quick demo on one option for short, mid and long range text messaging using HF radio using JS8Call.
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https://www.buymeacoffee.com/thetechprepper/membership
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https://shop.thetechprepper.com
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https://contingencymedical.com - Use code: TTP for $10.00 off
#thetechprepper #offgrid #radio")
