All channel numbers with a D suffix indicate a repeater output frequency used in simplex mode (for example, LLAW1D is simplex on the output frequency of LLAW1).Please refer to the wiki article for notes regarding the use of CTCSS tones on Low Band, VHF, UHF, and 800 Public Safety Common frequencies.nteroperability. VTAC17/17D are the same as Marine Channel 25 and may only be used in areas at least 100 miles from a navigable waterway, and by ground stations only (no aircraft use permitted).
Port Numbers in URLs. Port numbers can also be specified using URL. For example port 80 is by default for HTTP. when you type a dot com in your browser the browser sends request in the form of http://www.domain.com:80/ to the server which responds and transfers data.
This port handles HTTP requests exclusively, and has become the de facto standard. However, if your company's server uses a different port, either for internal requests of for file sharing security reasons, you can supply that port number in your connection URL to ensure your connections goes through smoothly. 1  1. Determine the port your server uses for connections. The port is usually assigned by the system administrator during server setup, so check with that person, or check the server documentation. For this example, the port number is 95, but it could be anything. 2. Get the correct IP address or domain you need to connect to in order to make a connection.