This is the first video for the UltraPack DIY 4S 18660 Lithium-ion Battery Pack for Emergency Communications. in this video we're going to do the voltage and …

Here we demonstrate the BMS initialization and show the UltraPack on the test jig. What is the UltraPack? The UltraPack is an open source project using …

You asked for it. A radio housing for the Yaesu FT-817ND by Hardened Power Systems – the Scout G1. Debuting at the Huntsville Alabama Amateur Radio …

Here we demonstrate the how to add a reset switch to the BMS. This modification simplifies initialization after a battery removal. What is the UltraPack?

This is a small video I've made showing my attempt to correct the slight off frequency I began to note while using the VHF and UHF bands on SSB mode, friends …

Prueba de Hot spot o punto caliente con Yaesu FT-817, DV-RPTR V1 y Raspberry Pi utilizando programa DV-MEGA El programa se puede bajar en: …

In this video we show you the most basic PSK-31 QSO using an Android Tablet running DroidPSK, the Yaesu FT-817ND, and the Chameleon F-Loop+. We also …

In this video we show you the most basic PSK-31 QSO using an Android Tablet running DroidPSK, the Yaesu FT-817ND, and the Chameleon F-Loop+. We also …

This is the second test video for the UltraPack DIY 4S 18650 Lithium-ion Battery Pack for man-portable & Emergency Communications. in this video we're …

Both radios are sharing the same windom antenna with the help of a splitter, and both are connected to the same external speaker as can be seen. What I do is …