WIRES-X Italia

 nwradio

La NW Digital Radio e John K7VE, stanno progettando un controller che permetterà di utilizzare il DR-1X sia in Fusion e Analogico, che in D-STAR. Questo controller si chiamerà UDRC. Nel frattempo K7VE ci spiega che è possibile collegare un modem GMSK D-STAR al DR-1X sfruttando la porta I/O.

Preparare il ripetitore DR-1X

Settarlo in modo che sia in modalità FIX FM in RX e TX Abilitare la funzione REMOTE
FM-FM400 REMOTE400

Il Connettore I/O del DR-1X

You will need to obtain a maleDB-15 HDplug and cover. If you are just prototyping and don’t want to solder up a connector, I recommend obtaining a breakout board.  I use a Winford EngineeringDB15HD Model (Male) with aM-F patch cable to go to the repeater. (Do not use a VGA cable, the lines must be straight through.)

db15hd-m

The pins used are:

Pin Function
1 Remote Control Enable
2 PTT
5 Ground
6 Tone / GMSK In
8 Disc / GMSK Out
10 Ground
11 Ext Port 1

Modalità solo D-STAR

DR-1X Pin URI Pin Mini Din-6
1 20 2
2 Ext/GPIO 3
5 DR-1X (1) DR-1X (1)
6 22 4
8 21 1
10 DR-1X (11) DR-1X (11)
11 DR-1X (10) DR-1X (10)
  • Tie Pin 1 and GMSK (Audio – Pin 20 on URI, Pin 2 on Mini Din-6) ground to Pin 5.  This locks the repeater controller out and puts full control to the D-STAR modem/node adapter as the repeater controller.
  • Tie Pin 2 PTT to the PTT control (pull to ground) on your D-STAR modem/node adapter (URI will use an external device like a GPIO on a Raspberry Pi, Pin 3 Mini Din-6)
  • Tie Pin 6 GMSK IN to GMSK OUT from your D-STAR modem/node adapter (Pin 22 on a URI, Pin 4 Mini Din-6).
  • Tie Pin 8 DISC OUT to GMSK IN to your D-STAR modem/node adapter (Pin 21 on a URI, Pin 1 Min Din-6).
  • Tie Pin 11 to Pin 10.  This tells the repeater to stay in FM in / FM out mode full time.

Modalità D-STAR/Analogica

DR-1X Pin URI Pin Mini Din-6
1 Ext/GPIO 3
2 Ext/GPIO 3
5 20 2
6 22 4
8 21 1
10 DR-1X (11) DR-1X (11)
11 DR-1X (10) DR-1X (10)
  • Tie Pin 1 Remote Control and 2 PTT to the PTT control (pull to ground) on your D-STAR modem/node adapter (URI will use an external device like a GPIO on a Raspberry Pi, Pin 3 Mini Din-6). This lets the Yaesu repeater controller handle analog when the PTT is high and puts full control to the D-STAR modem/node adapter as the repeater controller when the PTT is low.  Set a CTCSS tone in and out on the Yaesu controller but do not use 100 hz as the GMSK signal will periodically false the tone decoder.
  • Tie Pin 5 and GMSK (Audio – Pin 20 on URI, Pin 2 on Mini Din-6) ground.
  • Tie Pin 6 GMSK IN to GMSK OUT from your D-STAR modem/node adapter (Pin 22 on a URI, Pin 4 Mini Din-6).
  • Tie Pin 8 DISC OUT to GMSK IN to your D-STAR modem/node adapter (Pin 21 on a URI, Pin 1 Min Din-6).
  • Tie Pin 11 to Pin 10.  This tells the repeater to stay in FM in / FM out mode full time.
Stiamo cercando di seguire i consigli dettati dalla IARU per la scelta delle frequenze dei nodi WIRES-X.

In VHF a riguardo delle stazioni MGM (Machine Generated Modes) il Band Plan è qui sotto riportato:

VHF Band Plan

(h) Unmanned packet radio stations and digital access points are only allowed in the segment 144.800 -144.9625 MHz, provided they are fully compatible with 12.5kHz channel spacing. Outside of this segment the signal level produced by those stations shall be not larger than 60 dB below the carrier level (measured in a 12 kHz bandwidth). Any other unmanned packet radio and digital access points outside of this frequency range must cease operation not later than 31 December 1997.(Tel Aviv 1996).

 

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