WiMo PicoAPRS V4, User Manual

Page 1: ...PicoAPRS V4 Engineered by Taner Schenker DB1NTO Usermanual www wimo com 1 Taner Schenker 13 December 2022 ...

Page 2: ...des 12 Mainscreen in FM modes 12 Automatic display of received APRS packets in APRS modes 13 OPEN 13 FOLLOW 14 WHO IS 14 Show QR code 14 Send message 14 Received status message 15 Received textmessage SMS 15 Received weather packet 16 3 Menu 17 3 1 Power OFF 18 3 2 SOS 18 3 2 Settings 19 Device mode 19 Brightness 20 GPS Powersave 20 Beep 21 Units 21 3 3 Exit 21 3 4 GPS 22 GPS data 22 GPS Satellite...

Page 3: ...1 New Message Destination 31 New Message Destination SSID 32 New Message Text 32 New Message Confirm 33 3 11 APRS Settings 33 APRS Symbol 33 TX Interval 34 MyCall 34 MySSID 35 APRS Frequency 36 My Comment 37 3 12 FM Voice Settings 37 3 13 Device Info 38 4 Technical specifications 38 5 Troubleshooting 38 6 Manufacturer information 39 7 EU CE Declaration of Conformity 40 8 Disclaimer 41 www wimo com...

Page 4: ...fers the largest range of functions It enables the use of APRS in the 2m band as well as operation as an iGate without a PC via WiFi Bluetooth TNC and voice radio on the 2m amateur radio band The transmission power is a maximum of 1 watt 2 LoRa variant The LoRa module enables the use of LoRA APRS in the 70cm band 433 MHz and the iGate function without a PC The built in speaker and microphone are n...

Page 5: ...RH 805 SRH 815S SRH 36 Frequency range 144 148 MHz 144 148 MHz 144 148 MHz Connector SMA SMA SMA Gain 0dBi 2dBi 3dBi Length 4 5cm 13cm 36cm Order nr 17023 17021 17022 Recommended Magnetfic mount antennas Order Nr 20117 SMA DIAMOND MR 77S Magnetic mount antenna 4m cable foot 65mm diameter 20119 SMA DIAMOND MR 75S Magnetic mount antenna 3m cable foot 30mm diameter 20111 SMA No Name Magnetic mount an...

Page 6: ...ty chargers Do not place the device on a flammable surface Remove the battery from your PicoAPRS if you will not be using the device for a long time Tape off the battery contacts when storing them outside of the device to avoid accidental short circuits Battery Disposal Instructions In connection with the sale of batteries or the delivery of devices containing batteries the provider is obliged to ...

Page 7: ...on the cover down with your fingernail 2 Remove the battery cover 3 Remove the battery from the device at the rear end of the battery recessed grip Insert in reverse order please note the alignment of the battery contacts to the contacts in the PicoAPRS www wimo com 7 Taner Schenker 13 December 2022 ...

Page 8: ...s the PTT for at least 3 seconds until you hear a tone Software updates Since the PicoAPRS software is constantly being developed and improved we recommend checking for updates regularly To do this the WLAN connection must be configured once Available software updates can then be regularly checked and updated directly in the device menu No computer is required for this www wimo com 8 Taner Schenke...

Page 9: ...tton If there are small triangles see image below pointing up and down between the soft keys it means that the up and down keys have a function at that moment The following information is displayed on the main screen www wimo com 9 Taner Schenker 13 December 2022 Battery state Betriebsmodus Number of used GPS satellites GPS state Bluetooth state WIFI state Button Function RIGHT Button function LEF...

Page 10: ...open Currently 10 satellites are used for position determination GPS and Bluetooth are active Your own call sign with SSID and the APRS symbol used Time UTC 15 16 40 hours minutes seconds The speed is 1kp h www wimo com 10 Taner Schenker 13 December 2022 The GPS icon flashes during GPS search If the GPS receiver has been temporarily deactivated to save energy see GPS Powersave no GPS symbol will a...

Page 11: ...ons depending on the situation Up Down buttons Different functions depending on the situation On screen keyboard PicoAPRS has an on screen keyboard for easier information entry The keyboard will appear automatically as soon as character input is required e g when entering text messages call sign WIFI password Example images of the on screen keyboard Depending on the situation you can with the key ...

Page 12: ...on beacon even if you have not changed your location and the set interval time has not elapsed Mainscreen in FM modes Left button takes you to the main menu With the right button you get to the FM settings chapter 3 12 The OK button emits a 1750Hz tone for 3 seconds Use the Up Down buttons to change the volume www wimo com 12 Taner Schenker 13 December 2022 ...

Page 13: ... green if they are currently receiving a current GPS position If no valid GPS position is known e g inside buildings tunnels or if GPS is deactivated due to energy saving functions a appears in front of the distance information and the data is displayed in orange Distance is then calculated using your last known GPS position OPEN OPEN opens a page with three options Follow WHO IS Show QR Code Send...

Page 14: ...n the left Should new position data be received for the station being tracked this display will be updated automatically OPEN takes you back to the selection menu WHO IS Sends a text message to the Who is service requesting the displayed callsign The Who is service then sends you information such as the name and address of the user of the call sign However you can only receive the answer as a text...

Page 15: ... textmessage SMS www wimo com 15 Taner Schenker 13 December 2022 Callsign and SSID of received sation State text if exists See Open Closes this message Callsign and SSID of sender Message text Reply to this message Closes this message ...

Page 16: ...d a 0 appears for the other values There are weather reports with or without position data If weather data without position data is received no distance is displayed www wimo com 16 Taner Schenker 13 December 2022 Callsign and SSID of received weather sation Distance Rainfall Humidity Temperatue Windspeed and direction See OPEN ...

Page 17: ...Satellites GPS data GPS Compass My Home My Car My Location GPS Deviation Speedometer Last Heard Bluetooth WIFI WIFI Setup WIFI Status RX WIFI APRS Webconfig WIFI reconnect Last Weather data Radio Settings Messages Received messages Sent messages New Messages Set Bulletin www wimo com 17 Taner Schenker 13 December 2022 ...

Page 18: ...ted In this case you can then speak listen and send APRS emergency messages on the APRS frequency at the same time To disable Emergency Mode you must turn off your PicoAPRS As long as this mode is active and the battery is sufficiently charged an emergency message with the latest GPS position is sent every full minute WARNING An EMERGENCY CALL generates an alarm tone on most APRS receivers Only us...

Page 19: ... Forwards received APRS packets to the APRS IS network This requires an internet connection via WIFI GPS Forwards the data from the GPS receiver via USB or Bluetooth FM Voice Pure FM radiotelephone operation via VHF FM WIFI APRS FM radiotelephone operation via VHF and APRS usage via the WIFI internet connection Fill in Digi PicoAPRS retransmits APRS packets received over VHF if they were received ...

Page 20: ...ically when GPS is not needed OFF turns off the power saving function and ON enables this function www wimo com 20 Taner Schenker 13 December 2022 If the external power supply is connected via USB GPS is activated regardless of this setting If the GPS receiver is deactivated cyclically this saves energy and extends the battery life On the other hand the GPS speed may not be displayed correctly on ...

Page 21: ... incoming text messages will be forwarded to you as Morse code Units Setting the displayed units of measurement for speed distance and temperature amount of precipitation Metrical km h km Degrees Celsius mm h Imperial mp h Miles Degrees Fahrenheit in h Nautical Knots Nautical Meiles Degrees Celsius mm h 3 3 Exit Try it you will be surprised www wimo com 21 Taner Schenker 13 December 2022 ...

Page 22: ...ation as shown in the images below GPS Satellites Sats in use shows the number of satellites actively used for position determination Sats in view shows the number of visible GPS GLONASS and GALILEO satellites H DOP stands for horizontal position accuracy The smaller the number the more accurate the position www wimo com 22 Taner Schenker 13 December 2022 ...

Page 23: ...position again at any time When you call up this menu item the distance as the crow flies and the compass direction to the saved position are displayed This can be very useful for example when traveling or in unfamiliar areas to find your tent hotel etc again If you are moving below about 5km h the arrowhead turns red and shows you the absolute direction so up means north If you are moving over 5k...

Page 24: ...e easily My Location Visually indicates your position on a map with a small red dot The map changes automatically depending on the region Due to the internal memory size no more maps can be loaded into the device GPS Deviation Visually indicates the inaccuracy of your GPS position Each line corresponds to a deviation of two meters When starting this menu item and after pressing the right button CL...

Page 25: ...ation 1 of 12 Stations that have already been received are updated when they are received again Exit the menu with CLOSE OPEN see open A maximum of 20 of the stations last listened to are saved When all 20 memory locations are occupied the entry is overwritten again starting with the first The list is deleted when you switch off www wimo com 25 Taner Schenker 13 December 2022 ...

Page 26: ...h connection is disconnected for more than a minute Both devices display a PIN number when attempting to connect To establish a successful connection this PIN must be confirmed on both devices On your PicoAPRS confirm the connection request with the right button Confirm or reject this request with Cancel 3 7 WIFI WIFI setup Starts a scan for WiFi networks You will then see all the available networ...

Page 27: ...t Enter your WiFi password here WIFI status Shows you the network name the IP and MAC address of your PicoAPRS as well as the WiFi field strength and the WiFi transmission power The transmission power is adjusted depending on the reception field strength www wimo com 27 Taner Schenker 13 December 2022 ...

Page 28: ...r example if you want your PicoAPRS to work unattended as an iGate Webconfig Here you can see the web address of your PicoAPRS You can call this up with a browser on a computer within the same WLAN network in order to conveniently edit the frequency memories via the browser The right button QR Code shows you this address as a QR code which you can scan with a smartphone Below is an example of what...

Page 29: ...ng the configuration or operating mode 3 8 Last Weather At this point you can display the weather data last received if available 3 9 Radio Settings Here you can switch the transmission power in APRS or VHF operating mode between 0 5 or 1 watt Green tick means 1 watt VHF BW Wide sets the channel bandwidth to 25kHz If this item is not activated the channel width is 12 5KHz FM Noise Cancel Enables n...

Page 30: ...s submenu for received text messages The list is deleted when you switch off If there are received text messages previously closed messages can be read again and replied to here www wimo com 30 Taner Schenker 13 December 2022 Callsign SSID of the sender Message text ...

Page 31: ...ledgment of receipt is received a red X will appear there But that doesn t mean your message hasn t arrived There can be various reasons why you do not receive the confirmation By pressing the right button resend you can send this message again Use the Up and Down buttons to scroll through all received text messages New Message Creates a new text message New Message Destination Enter the call sign...

Page 32: ...s a space deletes the last character OK ends the text input and leads to the next step www wimo com 32 Taner Schenker 13 December 2022 TIP You can also use this to send an e mail to any e mail address on the APRS network To do this please enter the destination EMAIL 2 as the recipient Then enter the target e mail address in the text field first followed by a space and then your message text ...

Page 33: ...r own APRS symbol which should be displayed to other receivers The symbol is displayed as ASCII characters according to the table and also graphically for most symbols Not every graphic symbol is present in the PicoAPRS The primary table is always used A translation table can be downloaded e g from http wa8lmf net aprs APRS_symbols htm www wimo com 33 Taner Schenker 13 December 2022 ...

Page 34: ...high GPS accuracy and slow movement speed MyCall Here you set your own call sign This is the most important setting you have to make A valid call sign is at least 4 digits long It is used to send position reports and receive personal text messages If previously set the currently set call sign is displayed here To delete or correct the entry press the virtual key www wimo com 34 Taner Schenker 13 D...

Page 35: ...ion digi mobile wx etc 4 generic additional station digi mobile wx etc 5 Other networks Dstar Iphones Androids etc 6 Special activity Satellite ops camping or 6 meters etc 7 walkie talkies HT s or other human portable 8 boats sailboats RV s or second main mobile 9 Primary Mobile usually message capable 10 internet Igates echolink winlink AVRS APRN etc 11 balloons aircraft spacecraft etc 12 APRStt ...

Page 36: ...frequencies are used in other parts of the world for 1200 baud FM APRS USA 144 390 MH Japan 144 660 MHz Europe 144 800 MHz Australia 145 175 MHz Thailand 145 525 MHz ISS Space Station 145 825 MHz www wimo com 36 Taner Schenker 13 December 2022 The APRS path is set to WIDE1 1 WIDE2 2 If you set the frequency to 145 8250MHz the path will open automatically ARISS WIDE2 1 converted To use APRS via the...

Page 37: ...t additional settings in memory such as CTCSS or DCS tones for this frequency Memory List Here you can save select and edit frequencies Including the name of the memory location the TX and RX frequency TX and RX subtone as well as the setting for a scan stop These settings can be conveniently edited on a computer using the Webconfig function Memory Scan starts a search over the stored frequencies ...

Page 38: ... 4 Technical specifications Frequency range 144 000 MHz 146 000 MHz TX power Maximum1 Watt Modulation FM AFSK Baudrate APRS 1200 Baud Baurate USB virtual COM port 115200 Baud Operating voltage über USB 5 0V DC Battery 3 7V 850mAh Li Ion GPS The GPS receiver used works up to an altitude of 18 000 meters 60 000 feet Current consumpt at the USB port Maximum 500mA Dimensions approx 35 mm x 67 mm x 25 ...

Page 39: ...Manufacturer information WiMo Antennen und Elektronik GmbH Am Gäxwald 14 76863 Herxheim Germany Tel 49 0 7276 9668 0 http www wimo com e mail info wimo com www wimo com 39 Taner Schenker 13 December 2022 ...

Page 40: ...2016 01 EN 300 328 V2 2 2 2019 07 Article 3 2 EN 300 440 V2 1 1 2017 03 EMC EN 301 489 1 V2 2 0 2017 03 Article 3 1 b EN 301 489 3 V2 1 1 2017 03 Safety EN 60950 1 2006 A11 2009 A1 2010 A12 2011 A2 2013 Health EN 62311 2008 ROHS EN IEC 63000 2019 05 The notified body Bay Area Compliance Labs Corp BACL EU Identification Number 1313 performed a conformity assessment according to Annex III Module B S...

Page 41: ...forms with or without modification are permitted provided that the following conditions are met 1 Redistributions of source code must retain the above copyright notice this list of conditions and the following disclaimer 2 Redistributions in binary form must reproduce the above copyright notice this list of conditions and the following disclaimer in the documentation and or other materials provide...