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@ -4,7 +4,7 @@ summary: >
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A really awesome handheld radio -- and it does D-STAR as a
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bonus. Check it out -- it's cool!
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date: 2021-12-10
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lastmod: 2023-11-27T17:37:48+0000
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lastmod: 2024-03-10T14:33:52+0000
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#categories:
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#- amateur-radio
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showBreadcrumbs: true
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@ -114,30 +114,28 @@ and hit <kbd>Enter</kbd> to view the last 50 received pictures in the history. H
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<kbd>Enter</kbd> again to view details about the selected image (like sender and
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receiver information, time and date as well as some basic info about the picture itself).
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## Output power on 2m (144 MHz)
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## Power output
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Due to my new tinySA ultra I've measured the output power of the ID-52
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<mark>around 145.550 MHz</mark> with the following outcome.
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| Power output diagrams | |
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| --- | --- |
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| ![output power on 2m band](power-2m.png) | ![output power on 70cm band](power-70cm.png) |
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| higher output power settings | lower output power settings |
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| :---: | :---: |
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| ![high output power setting](high-power.png) | ![low output power setting](low-power.png) |
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I've found out how to measure more than 4 traces at once (hint:
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disable <kbd>TRACKING</kbd> in the Marker options)
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I can only measure 4 traces at once so I had to measure the fourth power setting into a
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separate picture (picture 1 trace 1 @ 5 W becomes picture 2 trace 1 @ 120 mW).
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The measured output power around 144.500 MHz and 433.500 MHz are:
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The measured output power around 144.550 MHz are:
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| Power setting | Output power 2m | Output power 70cm |
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| :---- | :----- | :----- |
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| S-Low | 107 mW | 99 mW |
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| Low1 | 539 mW | 443 mW |
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| Low2 | 1.09 W | 783 mW |
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| Mid | 2.45 W | 2.21 W |
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| High | 6.26 W | 4.94 W |
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| Power setting | Output power (measured) |
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| :--- | :--- |
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| S-Low | 120 mW |
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| Low1 | 600 mW |
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| Low2 | 1.33 W |
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| Mid | 3.35 W |
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| High | 5.96 W |
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## Harmonics on 2m (144 MHz)
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## Harmonics
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Only measured on the 2m band.
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![harmonics](harmonics.png "I could not see any harmonics at <mark>145.550 MHz</mark>.
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For people that cannot read the small fonts properly: the graph goes up to 3 GHz.")
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