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| resources:mseven-tutorial [2026/03/20 15:47] – admin | resources:mseven-tutorial [2026/03/25 15:23] (current) – [What's the audio quality like compared to FT8/FT4?] admin | ||
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| //Ham Radio · Digital Voice · iOS// | //Ham Radio · Digital Voice · iOS// | ||
| - | **This content was produced for KJ7T by ClaudeAI on March 20, 2026** | + | **This content was produced for KJ7T by ClaudeAI on March 20, 2026, edits by KJ7T on March 21, 2026** |
| **Amateur License Required** · Developer: Gregg Wonderly · Protocol: M17 Open Source | **Amateur License Required** · Developer: Gregg Wonderly · Protocol: M17 Open Source | ||
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| | M17-CAN / A | Canadian activity reflector. | | | M17-CAN / A | Canadian activity reflector. | | ||
| | M17-WW / A | Worldwide general linking reflector. | | | M17-WW / A | Worldwide general linking reflector. | | ||
| + | | M17-KCW / A | America' | ||
| <WRAP tip> | <WRAP tip> | ||
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| - **Press and Hold PTT** — The large PTT (Push-To-Talk) button puts you in transmit mode. Hold it while speaking, just like a radio. | - **Press and Hold PTT** — The large PTT (Push-To-Talk) button puts you in transmit mode. Hold it while speaking, just like a radio. | ||
| - | - **Identify Yourself** — Say your callsign at the start of each transmission | + | - **Identify Yourself** — It is polite to say your callsign at the start of each transmission. Example: //" |
| + | - The actual [[https:// | ||
| + | - You are not required to identify at the start of a transmission, | ||
| + | - I like what I've heard on British nets where some stations say their call sign is returning, e.g., for me, I would say "KJ7T returning" | ||
| - **Release PTT to Receive** — Release the button to switch back to receive mode. The app shows you the callsign of whoever is currently transmitting. | - **Release PTT to Receive** — Release the button to switch back to receive mode. The app shows you the callsign of whoever is currently transmitting. | ||
| - **Watch for [DOUBLE]** — If you see a **[DOUBLE]** indicator, it means two stations transmitted simultaneously. The app will automatically un-key your PTT after 3 seconds to prevent a stuck transmit situation. | - **Watch for [DOUBLE]** — If you see a **[DOUBLE]** indicator, it means two stations transmitted simultaneously. The app will automatically un-key your PTT after 3 seconds to prevent a stuck transmit situation. | ||
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| ==== What's the audio quality like compared to FT8/FT4? ==== | ==== What's the audio quality like compared to FT8/FT4? ==== | ||
| - | M17 is a voice mode, not a data-exchange mode like FT8. It uses Codec 2 at 3200 bps — think of it as similar quality to DMR or D-STAR, quite intelligible and clear on a good connection, with the app's built-in equalization helping further. | + | M17 is primarily |
| ==== Can I monitor without transmitting? | ==== Can I monitor without transmitting? | ||
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| M17 Project: [[https:// | M17 Project: [[https:// | ||
| - | //This is a community-created tutorial, | + | //**This is not official documentation. Always comply with FCC regulations and identify with your callsign when transmitting.**// |