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Tag: C4FM

MMDVM Single Face Modem

MMDVM Single Face Modem

My old and very good friend Enzo (Vincenzo – IU7ACP) has just build a single face MMDVM modem for testing. I will receive the board in the next few days and start some tests with some Motorola and Kenwood radio to see how it works. There are no plans for a mass production at the moment. I will deal with Enzo to have it Open Source with all the diagrams published for everybody.

Update 18 Mar 2017: Unfortunately the device didn’t work and I have abandoned the project.

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DV4Mini + Raspberry PI Kit

DV4Mini + Raspberry PI Kit

DMR, C4FM, DSTAR, DPMR, Portable Kit composed by:

  • Raspberry Pi 2 + LCD Display touchscreen
  • DV4Mini Dongle + Mini antenna
  • RF Wireless Keyboard with touchpad
  • Original Raspberry WiFi Dongle
  • 2.2A USB Power Supply
  • Cables, patches & card reader
  • All in a Pelicase waterproof floating box

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Obtorto collo, DMR

Obtorto collo, DMR

In cooperation with IW0GXY (formerly ON4GXY) Massimiliano, I started to explore the non-sense of the DMR technology. We bought a pair of Tytera MD-380 handhelds and a couple of DV4mini and we will try to experiment on such technology. I got my ID 2066034 which is required by the repeater in order to grant access to the equipment.

The plan is to explore the radio and try to catch the flavor of it and then, eventually, install an access point or a repeater.

Stay tuned…

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Life is too short

Life is too short

Imagine a group of 100 people with a common interest, each one has his own ideas and each one thinks its idea is the best one compare to the others. Now imagine each one of these individuals starts to develop its own idea without sharing, at least the concept, among the group. The group will end up to have 100 different projects not compatible between each other or, maybe, interchangeable but all of these projects are having a common line: the ether, the wave lines.

Now apply all I wrote above to the Amateur Radio Community: in the last 10/15 years we have developed (or used) new technologies and each one absolutely not related to another one. Some of them, such as Echolink, cannot be compared as they are a different way to communicate (for which, in my honest opinion, I’m not seeing it as Ham Radio) but we also developed or adopted new digital technologies. Nowadays we have D-Star, DMR, C4FM along to their respective “via-the-cable” connections such as Wires-X, Reflectors, X-Reflectors, Echolink,, etc…

Inside that we have the additional features allowing people to interact with the systems when they are not geographically close between each other, so like Wires-X interconnects a Japanese node to an Italian node, on the same way X-Reflectors can interconnect a Brazilian D-Star node to a Finnish D-Star node.

D-Star “new” capability is now the CCS7 protocol, nowhere defined as such, but (will be) de facto an additional feature to the D-Star world.

So where is the problem in all the above ruminations I wrote above? None of these systems is interconnected or can be interconnected to the others, A D-Star repeater cannot communicate with a C4FM repeater, despite the fact Yaesu is calling “Fusion” their system, and all because of royalties on their respective protocols (Icom for D-Star, Yaesu for C4FM, Hytera for DMR) not counting the wannabe digital radios the Chinese marketers are selling now on almost any online platform.

We all need to focus on the fact that, by the time goes by, there are less and less Amateur Radio aficionados, look at your local Ham Radio Fests, look at your hair colour, look at your son/grandson how interested they are in our technology and think about it and for how long we can be “a single piece” if we continue to fight for our and just our idea without sharing it.

Life is too short.

Moved!

Moved!

This is tough.

The hardware repeater that was in C4FM and Analog (Yaesu Fusion) running on ON0MON is now running at Rouveroy (JO20AI) as ON0MNS in VHF therefore there is no more C4FM repeater as ON0MON.

There is at the moment just the APRS Digipeater in JO10xm however in the next few days I will install a new repeater and everybody will be happy

 

Voice Beacon

Voice Beacon

I received a request of explanation about the voice beacon running every 10 minutes on the C4FM repeater.

The system says: “This is ON0MON Wires-X connected to 17165, one node.

I think it is better than the classic CW callsign because it is giving the real status of the repeater and is also giving a hint to those which are casual tuners.

I wish Yaesu implements a customizable voice message so it could also announce, for example, the subtone in use or the locator.

Wires-X Ports

Wires-X Ports

Regarding the configuration of the Wires-X software (1.0.6.0), I forgot to mention that some ports on the router MUST be open in order to have the voice/data flow from the repeater to the Internet and backward.

It is possible to rely on the embedded uPNP protocol however I strongly recommend to manually open the ports in order to have them permanently configured.

The repeater should be configured on a static IP address in order to have the port forwarding activated.
If your network is based on Network Address Translation (NAT) Protocol then the correct configuration is Static IP and Port Forwarding.

Due to the high number of router firmware available on the market, I cannot provide any help on how to configure your NAT and/or Static IP. This is the extract from the instruction provided by Yaesu for the port forwarding.

Screen Shot 2015-03-07 at 21.25.31In the Wires-X software configuration, under Tool(T) there is a function called Port Check; that application will help you in the verification process for port forwarding configuration.

Screen Shot 2015-03-07 at 23.15.34

Tone Changed to 74.4Hz

Tone Changed to 74.4Hz

CTCSS Tone for the repeater changed from 100Hz to 74.4Hz to be in accordance to the UBA guidelines.

Thanks to Filip ON4PC for the corrective indication provided.

Yaesu DR-1X, HRI-200 and Wires-X Workaround

Yaesu DR-1X, HRI-200 and Wires-X Workaround

When I bought the repeater the first thing I was looking around was the “how-to” setup and connect the combination of DR-1X + HRI-200 to the Wires-X Network; What I discovered is that Yaesu is NOT ready (yet) for such combination. After an initial big disappointment, I start to search for similar experiences and noticed that most of the repeater’s sysops managed to configure it but none of them, as far as I know, shared the methodology they used to have the repeater configured to inter-operate with the Wires-X infrastructure.

In strict cooperation with Max ON4GXY (aka IW0GXY) and the final support of Raffaello (IZ0QWM) we managed to have a kind of working structure which means the repeater is able to send and receive from the internet and also interconnect to other rooms/repeaters.

Here are some screenshots of our configuration, some small changes happened in the meantime such as Voice Beacon instead of CW for the digital part, in fact the repeater is broadcasting its own  beacon in CW so, to do not confuse the two beacons and (remotely) be ensured that both parts, repeater and Wires-X, are working, we decided to distinguish the repeater beacon from the Wires-X beacon by switching to the embedded voice. Another small change is the removal of the tag on the feature that re-joins automatically the repeater to the own room after an amount of time; for this feature we noticed that the repeater is acting “weird” some times when re-joins the rooms by cutting the transmission in progress. Users are still able to join any room using the DTMF feature.

Please note that all the features which are available exclusively via digital connection are NOT supported by this configuration. We all are looking forward to receive from Yaesu an update to the DR-1x firmware.
(Versions available at the time of this post is 1.00Z, Wires-X Software Version 1.060).

DR-1x configuration is: RX AUTO / TX FIX FM (Other configurations are NOT working properly)

Transceiver
Transceiver
Settings - Wires ID Information
Settings – Wires ID Information
Location Settings
Location Settings
Round QSO Room Settings
Round QSO Room Settings
Room Open
Room Open
HRI-200 Setup
HRI-200 Setup
Call Settings
Call Settings
General Settings
General Settings
Sound Settings
Sound Settings
Audio Adjustment
Audio Adjustment