Wegmatt llc daisy ais receiver 1 contents 2 disclaimer ..................................................................................................................................2 3 connecting daisy to a computer ...................................................................................
2 disclaimer daisy is a reliable, single-channel ais receiver. However, under no circumstances it should be solely relied on for collision avoidance or navigation. It’s the user’s responsibility to use the product prudently. Neither wegmatt llc nor its dealers accept responsibility or liability to t...
For your safety, reboot your pc after completion of the installation. This will re-enable driver signature verification. 3.3 windows 10 good news! With windows 10 no driver is required and a new com port will automatically show up in the dataport drop-down of opencpn. See the chapter about configuri...
3.6 configuration of opencpn opencpn is a free chart plotter and navigation software. Among many other things, opencpn supports input from ais receivers to display the position of ships on its charts. You can learn more about opencpn and download it on the opencpn web page: http://opencpn.Org to use...
3.7 connecting daisy with other software daisy presents itself to computers as a virtual serial port. See the os-specific chapters above about installation to learn how to determine the serial port. The serial communication parameters of daisy are: baud rate 38400 data bits 8 parity none stop bits 1...
4 using daisy using daisy is as simple as connecting it with an antenna and a pc and powering up your ais capable application of choice. When plugged in, daisy automatically starts to listen for ais transmissions. 4.1 interpreting the status led daisy has a single, two-color status led, giving us so...
The most commonly used options are: d: toggles debug messages, when in receive mode signal strength as well as information about invalid packets will be displayed. It’s normal to receive a lot of broken packages, as there always will be radio noise and ships just barely out of reach. With some exper...
Daisy but don’t have ais reception at your current location. You can exit test mode by pressing esc or power-cycling daisy. C: configure receiving channel. Daisy has only one radio. To receive on both ais channels, it continuously switches between the two radio frequencies until a signal is detected...
5 using the nmea 0183 adapter if you purchased daisy with the optional nmea 0183 adapter, the receiver can be connected to chartplotters and other marine equipment. Daisy nmea adapter chartplotter / boat comment nmea+ nmea positive input nmea- nmea negative input if your device only has one rx wire ...
6 tips for good ais reception daisy is not the most sensitive ais receiver out there. But you we can help it to excel with some basic measures. 6.1 antenna if everything else is optimal, almost any antenna tuned to the vhf band will do. I used a simple wire cut to length for my first prototypes. How...
In a nutshell: the farther you can see, the better. 6.3 radio noise the main weakness of daisy, and probably most low-cost and sdr-based ais receivers, is susceptibility to radio noise. The effect of noise is reduced range and few successfully received packets. Unfortunately, there’s not much we can...
7 troubleshooting problem solution no activity of the status led verify the usb connection, also try a different usb cable. Device in reception mode, but not valid ais messages received (no ¼ sec green flashes) verify the antenna connection and location. Good ais reception requires line-of-sight, ve...
8 source code and schematics currently daisy is only partially open source. The core of daisy, how the si4362 radio ic is programmed to receive ais, is available on github. While the project does not include all the functionality of daisy as sold, i do backport any bug fixes that are relevant to the...
