It was a good net this evening, lots of great ideas for the DMR Tech Net! I'm sure they appreciate the ideas as I'm betting it can be hard to find new fresh topics!
Monday, April 24, 2023
Net Report 24-APR-2023
Denmark Master (2381) scheduled IP change
Due to an incompatibility between the hosting provider’s hypervisor and the upcoming version of Brandmeister DMR, the Denmark Brandmeister Master server is changing its IP address and ID.
If you have a repeater, hotspot or other node connected to the 2381 master, please update your configuration with the information below:
Master Server ID: 2382 IP Address: 185.51.76.16
The new master server is already fully functional. The current master (2381 at 85.90.246.225) will be discontinued on July 1st, 2023.
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Monday, April 17, 2023
Net Report 17-APR-2023
Net Newcomers: W7PJH, K8PRO
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| KC8WXM | N8TJ | N8RMA | KC0MYP |
Monday, April 10, 2023
Net Report 10-APR-2023
Remember - this Friday the DMR Tech Net crew will be presenting on DMR to the Central Michigan Amateur Radio Club. The meeting time is 7:00 PM and is located at the West Lansing Church of Christ (5505 West St. Joe Highway, Lansing, Michigan 48917). You can learn more about the event here, including information for the Zoom call if you are unable to make it in person.
Riley KE8VBU and Dustin N8RMA will be there to hopefully put some faces to callsigns and learn a little bit more about DMR! Looking forward to seeing everyone there!
Improvements to the AirSecurity feature
The Brandmeister DMR development team has made improvements to the Airsecurity feature! The repeater and area scopes are now available. For extra convenience, a Secure Local Pass option allows to bypass the AirSecurity authorization from your personal password-protected hotspots.
What is AirSecurity for?
As most of you already know, Brandmeister DMR only accepts transmissions from DMR IDs that are registered and active in the RadioID database. However, there is a possibility that someone may inadvertently configure their radio with your personal DMR ID, causing their transmissions to appear as originating from you on the Brandmeister DMR network. This can be avoided by utilizing the AirSecurity feature.
How does it work?
Once AirSecurity is activated for your callsign, any over-the-air transmission from one of your DMR ID will need to be pre-authorized by sending a one-time code via private call. The authorization will be valid for a pre-determined time period, and can be restricted to a single repeater, to a group of repeaters, or to all repeaters connected to a particular master server. If a transmission is made over the air without authorization, the message “Access denied” will be played back by the Brandmeister network.
How to enable and configure AirSecurity?
Login to the Brandmeister dashboard, and open your selfcare page. Click on AirSecurity / TOTP.
A set of options will appear:
- When AirSecurity/TOTP is set to ON, the feature is active for your callsign
- When Secure Local Pass is set to ON, transmissions from your personal hotspot (for which the first 7-digits matches your DMR ID) will be allowed without authorization
- Choose the scope of AirSecurity protection
- Repeater : only the repeater from which you are sending the authorization code will accept transmissions from your DMR ID
- Area : this option is currently under development. It will allow to authorize a group of repeaters.
- Master: only repeaters connected to the master you select will accept transmissions from your DMD ID. Choosing this option will allow you to provide authorization from your web browser in Selfcare, in addition to the TOTP private call method.
Once you have made your scope choice, scan the QR code using any TOTP authenticator application, enter the current code in the “QR Code Verification” field, and click the Save button.
How to use AirSecurity?
When the AirSecurity feature is enabled on your Selfcare account:
- Open your TOTP application and look at the current 6-digit code
- Using a radio programmed with your DMR ID make a private call to 9 + followed by the 6 digits code. (for example, if the current TOTP code is 123123, then make a private call to the contact ID 9123123). A short PTT is enough.
- From that point on, you can transmit with your ID, within the scope you have chosen (repeater or master)
If you have enabled both “AirSecurity” and “Secure Local Pass”, you can make calls with your DMR ID from your personal hotspot without having to enter the TOTP code. The first 7 digits of the hotspot ID must match your Radio ID.
If you selected a scope of Master, an additional method of authorization is available: by pressing the “Enable PTT Now” in your Selfcare. This method also comes with a choice of different time periods for the duration of the authorization:
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Thursday, April 6, 2023
Friendly reminder to avoid using frequencies allocated to Amateur Satellite Service
The Brandmeister Support Team frequently receives requests to prevent routing traffic to devices operating within the portion of spectrum allocated by all three ITU regions for Amateur Satellite Service. This is due to QRM caused by DMR signals on these frequencies.
While the Brandmeister DMR development team is not currently considering restricting traffic based on device frequency, we strongly advise setting your DMR hotspot or repeater frequency outside of the 145.8-146.0 or 435-438 MHz segments. It’s crucial to note that even low-power transmissions can cause interference when a satellite passes overhead and has a clear line of sight to the device’s antennas.
Thank you!
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Tuesday, April 4, 2023
New and Improved Net Statistics Available!
You can find a variety of statistics on there, such as:
- Check-in counts for all-time, YTD and last net
- Stations checked in for the last net
- Top 20 stations by check-in
- Check-in counts by net
- Check-in counts by operator
- Map of check-ins by US state
You can find a link at the top navigation bar (Net Statistics) or by following this link.
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Monday, April 3, 2023
Net Report 3-APR-2023
Happy 4th Anniversary!
Today is a special day in that 4 years ago N8YUI and myself (N8RMA) started the MichiganONE DMR Net out of some sick desperation to get some DMR activity going in the state of Michigan. It's been a wild ride with many ups and downs, but I look forward to keeping this going for many years to come.
As a special treat, I wanted to share some statistics about the net and its operation over the last 4 years via the magic of Microsoft Power BI.
Total number of net check-ins: 3505 check-ins
Total number of unique stations checked in: 375 unique stations
Single net check-in record: 30 (tie) March 7th / March 21st 2023
Top 10 states by check-in:
- Michigan - 2931
- Florida - 228
- California - 41
- Oklahoma - 35
- Illinois - 31
- Ohio - 19
- Arizona - 18
- Wisconsin - 17
- West Virgina - 15
- Georgia - 14
Top 10 stations by check-in:
- N4ALK - 174
- N8RMA - 170
- N8YUI - 153
- WA3TUU - 132
- KD8VJD - 129
- KE8FJW - 124
- KD8KBH - 108
- KD8GTX - 95
- KC0MYP - 82
- WB8HS - 77
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