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| - | ====== Introduction to Internet-connected Amateur Radio ====== | ||
| - | ===== What is it? ===== | ||
| - | Internet-connected amateur radio utilizes various transport mechanisms to send and receive voice and/or data over the internet. | ||
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| - | Some systems are primarily analog while others are digital. Bridges are sometimes constructed to connect the two types of systems, e.g. an AllStar-to-DMR bridge connects AllStar node traffic to a DMR talk group. Bridges are more commonly seen used in hotspots. | ||
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| - | Both analog and digital systems can utilize radios or can be built so that they connect directly to the Internet. These latter devices are sometimes called radio-less or radio-free nodes. | ||
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| - | Complicating this fuzzy differentiation of internet-connected systems (analog vs. digital) are systems that can tap into such systems. For example, some voice-over-internet-protocol (VoIP) phones can be connected to an AllStar node for clear, radio-free communications. When you combine that functionality with a hotspot that bridges AllStar to DMR or EchoLink, the dividing lines between analog and digital become even less clear. | ||