A receiver circuit that regulate the quantity of amplification given to a received sign so that the quantity from the speaker stays comparatively constant. A receiving circuit that gives extra amplification to weak alerts however at the price of further background noise and doable distortion. This machine is a Microtel Enterphone, manufactured within the Brockville plant in February, 1985. The Enterphone was designed for residence entry management, and in contrast to other techniques available on the market which required an intercom in every apartment and separate wiring for the intercom system, the Enterphone placed a call to the tenant's regular telephone, saving considerable cost for the residence owner. By the best way, I actually like the 90° cable footwear which might be used to optimise the wiring. These telephones may very well be wall mounted or mounted on the facet of a desk out of the way, therefore the identify Spacemaker. AE-183 The Spacemaker Series have been well-liked phones. Automatic Electric. Unlike their Western and Northern Electric counterpart the 211, they have been full phones including network and not simply a "stand". An Automatic Electric Serviceman's buttset or test phone is proven on the "C.O. Equipment" page. AE - 182e - Desk Telephone - Late Model Starlite telephone (AE's model of the Princess Phone).

Used at a secretary's desk together with her phone to reply calls and to act as an office switchboard. See Terry Biddlecombe's "AE Telephone Colour" Page and Paul Fassbender's "AE Telephone Colour" Chart! Please see the AE show on the "Physical Telephone Museum" page! Usually the ham bands were "unfold" to achieve better frequency display accuracy than the principle tuning dial may provide. Slang for a face-to-face meeting between two ham radio operators or radio hobbyists. The fixed output of a radio transmitter that can be periodically interrupted to send messages by Morse code. CW: Sending Morse code over an AM transmitter utilizing an audio tone. To speak with one other station without using a repeater. The frequency on which a radio transmission takes place, or the enter and output frequency pair used by a repeater station. An agreed-upon frequency the place stations try to contact each other; as soon as contact is made, stations move to a working frequency.

A technique of limiting access to a repeater station to stations that start their transmission with a particular sequence of tones. The frequency on which a repeater station will retransmit indicators its hears on its input frequency. The frequency on which a repeater station listens for indicators to retransmit. LUF: Abbreviation for lowest usable frequency, the lowest frequency that may help propagation between two points. So the noticed can now be put again into the desk, and I have my motor brake back! In AMTOR, an ARQ is sent again to the transmitting station by the receiving station to request retransmission of missing or corrupted portions. The ratio of power despatched down a feedline from the transmitter to the ability mirrored back by means of the feedline to the transmitter. A clearinghouse for QSL cards sent to and received from ham operators in other countries. CQ: A common name despatched by a station to every other station that will obtain it. A radio station aboard an airplane or a floor station that communicates with aircraft. BCL: Abbreviation for "broadcast listener," someone who listens to shortwave radio strictly for program content material.

DXCC: Abbreviation for "DX Century Club," an award given by the ARRL to hams who contact other hams in at the least a hundred totally different international locations. DX: Any station that is difficult to hear or contact on a particular frequency, or is rarely heard or contacted on a specific frequency. When two or extra packet radio stations concurrently attempt to transmit on the identical frequency. The swap will then solely management the power to the relay, in the same method as an exterior switch does. Operation of a radio station with a human operator at the control point. A group of letters and numbers used to identify a station and the nation authorizing its operation. The "digits" choice are terms which might be numbers. Click beneath on the first letter within the term you wish to have outlined, and you will go to the start of the terms beginning with that letter. FM: A time period used to discuss with section modulation. PM: Abbreviation for part modulation. B: Abbreviation for decibel.