Tag: data modes

Off Grid Ham Radio Data & the internet

Jan 24, 2023

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by

Julian OH8STN

in Asynchronous Messaging, Data comms, Digital Communications, Digital QRP, Education, Emergency Communications, Grid Down Communications, Off Grid Grid Down, Off-grid Comms, Preparedness, Survival & Preparedness, WinLink

Do off grid ham radio data modes require the internet? A viewer wanted to know if JS8Call, Winlink, or VaraAC needed the internet for any point of the messages transit to its recipient. As always, I was happy to explain. Some ham radio data modes use the internet for some parts of a message’s journey.…
QRO isn’t always required for regional communications

Oct 27, 2020

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by

Julian OH8STN

in battery power, Education, Emergency Communications, Ham Radio

Hello Operators. Today let’s talk about sustainable output power for grid down ham radio communications. In the video at the bottom of this post, there are two different Winlink sessions. One is PAT Winlink running on a Raspberry Pi, The other Winlink Express running on my Windows 10 Yoga laptop. Both are using the Icom…