Merge pull request #839 from pdxlocations/tips-channel-20

Not everyone's default channel is 20
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Ben Lipsey 2023-10-06 17:00:20 -07:00 committed by GitHub
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---
id: tips
title: Configuration Tips
description: Common Settings & Solutions
sidebar_label: Tips
sidebar_position: 4
---
## (Not) Sharing Your Location
Telemetry is shared over your [PRIMARY channel](/docs/configuration/radio/channels#role). This means that if your node has acquired GPS coordinates from an integrated GPS chip, or from your mobile device, your coordinates will be sent to the mesh over this channel, using it's defined encryption (if any).
@ -19,16 +19,20 @@ If you'd like to connect with other Meshtastic users but only share your locatio
1. Ensure you have not changed the LoRa [Modem Preset](/docs/configuration/radio/lora#modem-preset) from the default `unset` / `LONG_FAST`.
2. On your PRIMARY channel, set anything you'd like for the channel's name and choose a random PSK.
3. Enable a SECONDARY channel with a blank name (will default to LongFast) with PSK "AQ==".
4. Since the radio's frequency is automatically changed based on your PRIMARY channel's name, you will have to manually set it back to Channel 20 (in LoRa settings) in order to interface with users on the default channel.
4. Since the radio's frequency is automatically changed based on your PRIMARY channel's name, you will have to manually set it back to your region's default (in LoRa settings) in order to interface with users on the default channel:
To quickly test this configuration, scan your region's QR from [this folder](https://github.com/meshtastic/meshtastic/tree/master/static/img/configuration/qr-private-primary-example/). Remember to generate a new PSK for your private channel before sharing with your trusted nodes.
| US | EU_433 | EU_868 | CN | JP | ANZ | KR | TW | RU | IN | NZ_865 | TH | LORA_24 | UA_43 | UA_868 |
| :--: | :----: | :----: | :--: | :-: | :--: | :--: | :--: | :--: | :--: | :----: | :--: | :-----: | :---: | :----: |
| 20 | 4 | 1 | 36 | 20 | 20 | 12 | 16 | 2 | 4 | 4 | 16 | 6 | 6 | 2 |
To quickly test this configuration, find and scan your region's QR from [this repository](https://github.com/meshtastic/meshtastic/tree/master/static/img/configuration/qr-private-primary-example/). Remember to generate a new PSK for your private channel before sharing with your trusted nodes.
## Rebroadcast "Public" Traffic
Meshtastic nodes will rebroadcast all packets if they share [LoRa modem settings](/docs/configuration/radio/lora#lora-config-values), regardless of encryption (unless [Rebroadcast mode](/docs/configuration/radio/device#rebroadcast-mode) is set to `LOCAL_ONLY`).
:::info
If you would like your nodes to include/expand the "public" mesh, you must use the default [modem preset](/docs/configuration/radio/lora#modem-preset) `LONG_FAST`. If you change your PRIMARY channel name, you must manually set the LoRa channel to 20.
If you would like your nodes to include/expand the "public" mesh, you must use the default [modem preset](/docs/configuration/radio/lora#modem-preset) `LONG_FAST`. If you change your PRIMARY channel name, you must manually set the LoRa channel to the default for your region (see above).
:::
## Chat Channels VS LoRa Modem Channels

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