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RFinder's main service is the World Wide Repeater Directory (WWRD), which is a directory of amateur radio repeaters. RFinder is the official repeater directory of several amateur radio associations. RFinder has listings for several amateur radio modes , including FM , D-STAR , DMR , and ATV .
As cellular phones become more popular, there have been plans to release cell phone numbers into public 411 and reverse number directories via a separate Wireless telephone directory. However, these plans have come under opposition from internet based privacy advocate groups, and blogs, often citing privacy concerns.
One way of doing call forwarding with ENUM is illustrated in the next figure. The caller uses the telephone to dial the number of another subscriber, which leads to an ENUM lookup (such as is provided by SIP Broker). The DNS responds to the caller by returning a list with NAPTR records for VoIP communication, telephone numbers and email addresses.
A radio repeater is a combination of a radio receiver and a radio transmitter that receives a signal and retransmits it, so that two-way radio signals can cover longer distances. A repeater sited at a high elevation can allow two mobile stations, otherwise out of line-of-sight propagation range of each other, to communicate. [1]
Some repeaters have automatic call sign transmission at regular intervals and use the secondary suffix /R at the call sign's end. Some jurisdictions discourage this practice on the grounds that it could be confused with an amateur from the repeater's location working portable in Russia.
This is a list of repeater sites for amateur radio in Germany. It includes towers (e.g. CN Tower and Bremen TV tower), hills, mountains and other locations. List
Reflectors are a type of conferencing system. Most reflectors on the network have 10 channels (0–9) with channel 0 being the main channel. Each reflector has a unique 4 digit node number in the range of 9000–9999. The first 3 digits consist of the reflector number, while the fourth digit represents the channel number.
An autopatch, sometimes called a phone patch, is a feature of an amateur radio (or other type of two-way radio) repeater or base station to access an outgoing telephone connection. [1] Users with a transceiver capable of producing touch tones ( DTMF signals) can make a telephone call , typically limited by settings in the autopatch module to be ...