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@ -6,6 +6,7 @@ summary: >
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categories: [amateur-radio]
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tags: [macos,anytone,dmr,reminders]
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date: 2020-05-17T11:38:31+02:00
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lastmod: 2022-12-15T06:38:03+01:00
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---
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@ -19,7 +20,7 @@ the channel knob and power the radio off when it shows the desired limits.
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But I've read on social media (Telegram) that some people were not able to
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change their bands---mostly users of mobile radios. In this conversation
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[Arnold, OE1IAH](http://oe1iah.at) shared his work-around for this.
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Arnold, OE1IAH shared his work-around for this.
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He just changed the 17<sup>th</sup> byte in the codeplug file so the bands in
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the codeplug matched the bands used on the radio.
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@ -31,13 +32,19 @@ $ printf '\x03' | dd of=codeplug.rdt bs=1 seek=17 count=1 conv=notrunc
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```
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## Why would you need this?
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In Austria many of us use the website [dmraustria.at](http://dmraustria.at). The
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codeplug for a Anytone radio had the bands set to `0` while some OMs could
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not change the bands on their radios so the CPS did not let them write the
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codeplug to the radio.
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You get a codeplug from a friend but you cannot load it into your radio because
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it uses a different band setting and you cannot change that on your radio. So
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you want to change the band setting in the codeplug to match it your radio setting.
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With this method you can change the bands in the codeplug so you can write the
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codeplug to your radio even if you did not change the bands to `0`.
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## But, what you still have to consider
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You change from **0** to **3**, that means you can store frequencies within
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**136-174 MHz** and **400-480 MHz** while you use the **0** setting. You then
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change your codeplug to only make use of **144-146 MHz** as well as **430-440 MHz**.
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_You see where this is going?_
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You'd be fine if you only use frequencies within the HAM bands, though.
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## Bands settings
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