Table of Contents APRS initial settings ......................2 ® When operating APRS using the GPS function ............2 When operating APRS without using the GPS function ..........2 Setting this station callsign.................... 3 Setting the APRS modem ..................... 3 Setting the APRS baud rate ..................4 Setting the APRS operating frequency .................
APRS initial settings ® Position data may be entered manually in advance or automatically from the built-in GPS satellite receiver. When an APRS signal is received from a partner station, the direction, distance, speed etc. of the partner station as seen from your own station will be shown on the display of your transceiver.
Setting this station callsign Register this station callsign in order to send and receive messages and to transmit beacons in APRS. Enter the callsign like “W6DXC-9”. The “-9” in the callsign indicates the SSID (Secondary Station Identifier) of which there are 16 types, including one with no SSID.
Setting the APRS baud rate This sets the APRS baud rate. Press and hold the [FUNC] knob → [APRS SETTING] → [APRS SETTING] → [GENERAL] → [MODEM TYPE] → press the [FUNC] knob. Rotate the FUNC knob to select the APRS baud rate. 1200bps: APRS operations using AFSK 1200bps packets 9600bps: APRS operations using GMSK 9600bps packets Press the [BACK] key several times to return to normal operation.
Other initial settings Changing the station symbol This sets the station APRS transmit symbol. The default setting when shipped from the factory is “ICON 1 /> (Car)”. Press and hold the [FUNC] knob → [APRS SETTING] → [APRS SETTING] → [MY SYMBOL] →...
Receiving APRS beacons ® Receiving beacons y Displaying beacons in the APRS pop-up screen A alarm will sound when a beacon is received, and the APRS pop-up screen will be displayed. Tips • When receiving a beacon from a station with the same APRS call sign. From the second time onward, the pop-up screen will not be displayed if the status text contained in the beacon is not changed.
Description of the APRS STATION LIST screen and operations APRS STATION LIST JK1xxx- 7 2025/05/15 12:34 DELETE JA1YOE-13 2025/05/14 08:56 BCN-TX JQ1Yxx- 9 2025/05/14 06:27 JA1Yxx-14 2025/05/13 14:30 JA1ZRL- 0 2025/05/13 08:15 JH1YPC- 7 2025/05/12 10:20 BACK ① Number: Received beacons (up to a maximum of 100) will be displayed, starting with the most recent one received.
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y Description of Station List Character Examples of station list characters are described here. APRS STATION LIST JK1xxx- 7 2025/05/15 12:34 DELETE JA1YOE-13 2025/05/14 08:56 BCN-TX JQ1Yxx- 9 2025/05/14 06:27 JA1Yxx-14 2025/05/13 14:30 JA1ZRL- 0 2025/05/13 08:15 JH1YPC- 7 2025/05/12 10:20 BACK Display Description...
Deleting a beacon station from the list A beacon station which is no longer required can be deleted from the list by selecting it on the APRS STATION LIST screen. Press and hold the [FUNC] knob → touch [APRS S.LIST]. The APRS STATION LIST screen will be displayed.
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y Explanation of the detail screen display in an E (Mic-E) APRS STATION LIST and description of operations Rotate the DIAL knob in the APRS STATION LIST screen to select the “E” station and press the DIAL knob to display the E (Mic-E) detailed screen. ①②...
APRS reception pop-up setting This sets the display time of the pop-up that appears when an APRS beacon and message is received. Press and hold the [FUNC] knob → [APRS SETTING] → [APRS FILTER] → [POPUP]. Rotate the [FUNC] knob to select [BEACON] or [MESSAGE], then press the [FUNC] knob.
Display to notify reception of the same beacon or message When receiving the same beacon or message from the same partner station, the following screen is displayed. The display time is according to the setting in “POPUP” of the setup menu in the previous section.
Audio notification of a beacon or message received APRS RINGER function An audio notification can be set to sound when an APRS beacon arrives from a partner station. Press and hold the [FUNC] knob → [APRS SETTING] → [APRS FILTER] → [RINGER].
Displaying RAW packet data Display the packet data (raw data) of the partner station from the APRS STATION LIST detail screen. Press and hold the [FUNC] knob. Touch [APRS S.LIST]. The APRS STATION LIST screen will be displayed. Rotate the [FUNC] knob to select the beacon, then press the [FUNC] knob. A detail screen of the APRS STATION LIST will appear in the display.
Transmitting APRS beacons ® Transmitting an APRS beacon manually Press and hold the [FUNC] knob → Touch [APRS BCN-TX]. The APRS beacon will be transmitted. On the APRS STATION LIST screen or the APRS STATION LIST details screen, a beacon may be sent manually by touch [BCN-TX]. When using the GPS function in APRS operations, be sure to check that [MY POSITION] is set to “GPS”.
Registering status text A maximum of up to 60 characters can be registered for 5 types of status comment. The following characters can be entered. Press and hold the [FUNC] knob → [APRS SETTING] → [APRS BEACON] → [BEACON TEXT]. Touch [STATUS TEXT SELECT], then rotate the [FUNC] knob to select “TEXT 1”...
Setting the digipeater route A digipeater is a station that relays packets such as beacons. The following 2 types of digipeater routes can be selected for use in the device. Number of Route Address Format relay steps – – WIDE 1-1 Configured (settings cannot be changed) New-Paradigm format* WIDE 1-1, WIDE 2-1 Configured (settings cannot be changed) New-Paradigm format*...
APRS message screen and operating instructions ® Description of the APRS MESSAGE LIST screen and operations Text messages can be received separately from beacons in APRS. A maximum of up to 100 received messages can be saved in a common list in the memory. Checking messages Press and hold the [FUNC] knob →...
Description of the APRS MESSAGE LIST detail screen From the APRS MESSAGE LIST screen, Rotate the [FUNC] knob to select the message whose details you want to see and press the [FUNC] knob to display the APRS MESSAGE LIST detail screen. The APRS MESSAGE LIST detail screen shows the details of the messages received in the APRS MESSAGE LIST screen.
Deleting a message from the list Unwanted messages on the APRS MESSAGE screen can also be deleted. Press and hold the [FUNC] knob → [APRS M.LIST]. The MESSAGE LIST screen will be displayed. Rotate the [FUNC] knob to select the message to be displayed. Touch [DEL].
APRS Setup menu List Selectable options Menu Function Description (Bold letters: Default) APRS SETTING GENERAL MODEM SELECT OFF / AUTO / MAIN / SUB Sets the APRS operating band. MODEM TYPE 1200bps / 9600bps Sets the APRS packet communication speed. APRS TX DELAY Data transmit delay time setting.
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Selectable options Menu Function Description (Bold letters: Default) APRS FILTER LIST SETTING STATION LIST SORT Sort function settings. TIME (fix) STATION LIST Mic-E Filter function settings. OFF / ON POSITION OFF / ON WEATHER OFF / ON OBJECT OFF / ON ITEM OFF / ON STATUS...
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Copyright 2025 YAESU MUSEN CO., LTD. All rights reserved. No portion of this manual may be reproduced without the permission of YAESU MUSEN CO., LTD. YAESU MUSEN CO., LTD. Omori Bellport Building D-3F 6-26-3 Minami-Oi, Shinagawa-ku, Tokyo, 140-0013, Japan YAESU USA 6125 Phyllis Drive, Cypress, CA 90630, U.S.A.
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