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APRS – 26
DX PACKETCLUSTERS MONITOR
DX PacketClusters are networks which consist of nodes
and stations who are interested in DXing and contesting.
If one station finds a DX station on the air, they will
send a notice to their node. This node then passes the
information to its local stations through another node.
The DX PacketCluster monitor function receives the
packet data of the DX cluster and displays the contents.
This transceiver can retain the latest information on up
to 10 DX stations, but the memory will be cleared when
the transceiver power supply is turned Off. If you have
a TS-590S, TS-480HX/SAT, TS-2000/X, TS-570S/D, or
TS-870S HF transceiver, you can connect the TH-D72
to the HF transceiver to use the DX PacketCluster Tune
function. You can use this function to monitor the latest
DX information in your area, be it cannot be used to send
DX information to a node.
Node
Node
Node
Station
1 Access Menu 310 (Int. TNC - Data Band) to select
bandAorB.
• If the common transfer rate in your local PacketCluster
network is 9600 bps, access Menu 311 (Int. TNC - Data
Speed) and select “9600 bps”.
2 Tune to the frequency of the target PacketCluster
node.
3 Press [TNC] to enter APRS mode.
• “APRS” should appear.
4 Press [F], [LIST].
• Each time new DX cluster data is received, a call sign,
frequency, and time are displayed.
• When a duplicate DX cluster data is received, “DX” and a
call sign are displayed.
5 Press [ OK].
• DX station detailed display mode
• Press [ESC ]: Restores the frequency display.
• Press [MENU]: Outputs the PCT data.
Note: The Packet Cluster data (PCT) is output only when Menu
No.311-COM Port-input is set to “Off”.
Q Connecting TH-D72 with the HF Transceiver
In order to connect TH-D72 to the HF transceiver, you
need to prepare three cables by yourself.
The COM terminal on this transceiver accepts a 2.5
mm (1/10") 3-conductor plug. If necessary, use the
cable (service part: E30-3400-XX) to modify the cable
end of RS-232-C connector.
HF transceiver
COM connector on HF
transceiver
TH-D72
2.5 mm (1/10") 3-conductor plug
9-pin D-SUB connector
(solder side)
• Attach the line filter to the cable.
Line Filter