Many HAMS & GMRS users believe they need to buy a static IP address from their ISP to run a home node, hotspot, or DVSwitch server. Good news: you don’t. In almost every case, a simple and free tool called Dynamic DNS (DDNS) solves the problem completely.

Below is a clear explanation you can share with anyone setting up a home node, AllStar, DVSwitch, or any remote‑access ham radio system.

So someone told you you had to have a static IP to use DVSWITCH or remote connect to your node.
This is incorrect. This problem was solved way back in the 90s. Everyone should know this.

Why People Think They Need a Static IP

Most home internet connections use a dynamic IP address. This means:

• Your IP stays the same for long periods
• It can change after a modem reboot or power outage
• It is not guaranteed to stay the same forever

If you try to connect to your home node using the raw IP address, and it changes, your connection breaks. This leads people to think they need a static IP.

But they don’t.

Dynamic DNS (DDNS) Fixes the Problem

Dynamic DNS gives your home network a permanent hostname, such as:

myshack.ddns.net mycallsign.duckdns.org mynode.no-ip.org

This hostname never changes, even if your home IP does.

Your router or Raspberry Pi automatically updates the DDNS service whenever your IP changes. So instead of connecting to: 11.11.11.18
You connect to: myshack.ddns.net
And it always points to the correct IP.

DDNS Works Perfectly With DVSwitch and Home Nodes

DVSwitch, Analog_Bridge, AllStar, Pi‑Star, and other ham radio tools don’t care whether you use:

• A static IP
• A dynamic IP
• A DDNS hostname

They only care that the hostname resolves.

Port Forwarding Still Works the Same

DDNS does not replace port forwarding — it only replaces the IP address you connect to.

If your node needs ports like:

• 30001 UDP
• 30002 UDP
• 4569 UDP (AllStar)
• 62030 TCP

…you still forward those ports in your router.

But instead of connecting to your changing IP, you connect to your DDNS hostname.

DDNS Is Free, Fast, and Reliable

Popular free DDNS providers include:

• DuckDNS.org (simple, free forever)
• No-IP Free (works well, requires periodic confirmation)
• Dynu (free tier available)

Most routers support DDNS natively. If not, a Raspberry Pi can update it automatically.

When Do You Actually Need a Static IP?

Only in rare cases:

• You’re hosting a large public reflector
• You need reverse DNS (PTR records)
• Your ISP blocks DDNS updates
• You’re running a commercial service

For 99% of ham radio home setups, DDNS is the correct solution.

Summary

• You do not need a static IP
• DDNS gives you a permanent hostname
• DVSwitch and home nodes work perfectly with DDNS
• Port forwarding still works normally
• DDNS is free and takes only a few minutes to set up

Static IPs are expensive and unnecessary for almost every ham radio use case. DDNS is the modern, simple, and reliable solution.

Absolutely — here’s a clear, practical explanation you can drop straight into your WordPress article. It explains how a DDNS client works, why it solves the “I need a static IP” myth, and exactly how to use DuckDNS on a Raspberry Pi to keep a home node or DVSwitch server reachable.

I’ll keep it clean, readable, and formatted for WordPress.

How a DDNS Client Works (and Why You Don’t Need a Static IP)

Dynamic DNS (DDNS) is the secret weapon that makes home nodes, DVSwitch servers, and remote‑access systems work without needing a static IP address. The idea is simple: instead of connecting to your home’s changing IP address, you connect to a permanent hostname that always points to your current IP.

A DDNS client is the small program that keeps that hostname updated.

What the DDNS Client Actually Does

A DDNS client (like the one from DuckDNS) runs on your Raspberry Pi or router and performs three simple jobs:

1. Detect your current public IP

Your Pi asks an external service:

• “What is my public IP right now?”

This is usually done by checking:

https://api.ipify.org

or DuckDNS’s own IP check.

2. Compare it to the last known IP

If the IP hasn’t changed, nothing happens.

If it has changed (after a reboot, power outage, ISP refresh, etc.), then:

3. Update your DDNS hostname

The client sends a secure update request to DuckDNS:

https://www.duckdns.org/update?domains=YOURDOMAIN&token=YOURTOKEN&ip=YOURIP

DuckDNS instantly updates your hostname, so:

myshack.duckdns.org

always points to your current home IP — even if it changes.

This is why you don’t need a static IP.
Your hostname stays the same, and the DDNS client keeps it pointed at the right place.

Using DuckDNS on a Raspberry Pi (Simple Setup)

DuckDNS is one of the easiest DDNS services to use, and it’s completely free.
Here’s how to set it up on your Pi.

1. Create your DuckDNS domain

Go to:

Sign in with:

• Google
• GitHub
• Twitter
• Reddit

Choose a domain name, for example:

myshack

Your hostname becomes:

myshack.duckdns.org

Copy your token — you’ll need it.

2. Create the DuckDNS update script on your Pi

On your Pi:

mkdir -p ~/duckdns
cd ~/duckdns
nano duck.sh

Paste this inside:

echo url="https://www.duckdns.org/update?domains=YOURDOMAIN&token=YOURTOKEN&ip=" | curl -k -o ~/duckdns/duck.log -K -

Replace:

• YOURDOMAIN with your DuckDNS name
• YOURTOKEN with your DuckDNS token

Save and exit.

3. Make the script executable

chmod 700 duck.sh

4. Add a cron job to update every 5 minutes

crontab -e

Add this line:

*/5 * * * * ~/duckdns/duck.sh >/dev/null 2>&1

This keeps your hostname updated automatically.

How This Helps DVSwitch, AllStar, and Home Nodes

Once DuckDNS is running, you no longer connect to your home IP.
You connect to your hostname:

myshack.duckdns.org

This works for:

• DVSwitch Mobile
• Analog_Bridge
• AllStarLink
• Pi‑Star
• Private dashboards
• Remote control apps
• Custom reflectors

Your Pi stays reachable even if your ISP changes your IP.

Why This Eliminates the Need for a Static IP

A static IP is only needed if:

• You’re hosting a large public reflector
• You need reverse DNS
• You’re running a commercial service

For home ham radio use:

• DDNS is free
• DDNS is automatic
• DDNS works with every node and hotspot
• DDNS solves the “changing IP” problem completely

This is why you do NOT need a static IP to run DVSwitch or a home node.

The post How to use dvswitch without a static IP address first appeared on Louisiana Nationwide.

DVSWITCH LINK

The post DVswitch access first appeared on Louisiana Nationwide.

Download the Best Louisiana Node Image for GMRS

Louisiana GMRS Image

The new node image is ready,. Still need people to test this if you see any bugs please let me know.

The post Louisiana GMRS Node Image Download. Improved updated ARCH LINIX first appeared on Louisiana Nationwide.

Repeaters: There are no more linked repeaters in Louisiana on the net you must use one of the above options. This may change recommend you submit your comments to the fcc to reinstall linking

Building a node with a radio interface cm108 (dont use if your using a USB radio)

The post How to join the Louisiana GMRS network first appeared on Louisiana Nationwide.

DV switch allows you to add PTT buttons for many mics. But to do it you need to set it up with a PTT code. The code is different for each device and you can also map it to unused buttons on your phone.

To find out your code you need to go to the app store nd download Button Mapper

IN the app store or by this link https://buttonmapper.app/
Click add button and then press your PTT button it will give you a code.
Go to dv switch and enter this code under PTT and thats it.

Remember to save settings in DVswitch you have to make a donation.
Pull down the bar to the bottom in config and click on all access.

The post DVSWITCH PTT codes for Bluetooth Mics first appeared on Louisiana Nationwide.

Just get yourself a raspberry pi3 doesn’t matter if its a A or a B

A PI 3 A has no lan port and only 1 usb port and is smaller it requires a smaller case. They make great nodes and cost less. Since they only have 1 usb port you need a USB hub to connect a keyboard and a sound card. However for a DVSWITCH node the USB port wont even be used.

A PI3B and 3B+ has 2 USB ports and a LAN jack.

And you need a good Memory card. WARNING the cheep cards are often fake memory, Be sure you use a name brand card in a clamshell not lose cards. https://www.makeuseof.com/tag/how-to-spot-fake-microsd-card/ You also need to scan the memory cards with the fake memory card scanner after you buy them to make sure they are real and you can return them under the return window. A fake memory card will lie about its size and overwrite old files to simulate a large card. They are designed to fail after the Amazon return window closes. This scam works for cameras as you still see your old photos you just cant load them. Its disaster for a pi because it erases the OS as it fills up. It will also corrupt if you reboot because the fake os in the card will crash. Most of the reported card crashes on nodes are due to fake cards.

You need to signup for node numbers and enter them into the pi

Download from GMRS LIve the image connect a monitor and a keyboard and boot up the PI enter your node numbers.
To setup for DV Switch install my node manager as follows.

Drop to a shell and type

cd /tmp/
wget https://raw.githubusercontent.com/tmastersmart/gmrs_live/main/install.php
php install.php

Using the above menu Install Supermon and DVswitch one click installs.
This software is subject to change and the newer version will include a GMRS version of supermon.

he software will give you your DV switch settings to enter in your phone. Remember you should not enter your IP address use the Dynamic dns service of gmrslive if your node is 123 enter 123.node.gmrslive.com

You will also need to open the port number on your router. All routers are different so you will have to looks this up for your router. The PI will also need a static IP that wont change you do this in you router by finding your PI and reserving the IP for it.

IF you have questions post them here. Or if you need help. If you live in Louisiana I will build you one for free if you provide the parts.

Update there is now a small DVSWITCH only installer. Here

cd /tmp
wget https://raw.githubusercontent.com/tmastersmart/gmrs_live/main/install_dvswitch.php
php install_dvswitch.php

The post GMRS node for DV switch Under $50 first appeared on Louisiana Nationwide.