metre band造句

• Access to the 4-metre band has always been limited by access to suitable 4-metre transceivers.
• The video signal was transmitted at a frequency of 115 MHz . and the audio in the 40 metre band.
• For several years the 4-metre band allocation was only 200 kHz wide from 70.2 MHz to 70.4 MHz.
• The 4-metre band has a unique character and because very few countries have an allocation there, very little dedicated commercial amateur equipment is available.
• There are also issues with the use of these frequencies outside the US; in Canada, remains part of the 1.25-metre band.
• Cross-band working between the 6-metre band or the 10-metre band is common to make contacts countries where the band is not allocated.
• Cross-band working between the 6-metre band or the 10-metre band is common to make contacts countries where the band is not allocated.
• The ASV sets were based on conventional tube electronics, and operated in the 1.5 metre band that was common the early-war UK radars.
• These transmissions ceased in mid 2013 when amateurs were allocated a new 630 metre band ( 427 479 kHz ) and authority to operate on 512 kHz was withdrawn.
• For radio amateurs it is conventional practice to use lower sideband below 10 MHz and upper sideband above 10 MHz, however the 60 metre band is different, using upper sideband.
• In 1956, after several years of intense lobbying by the Radio Society of Great Britain ( RSGB ), the 4-metre band was allocated to British radio amateurs as a replacement for the old 5-metre band allocation.
• In 1956, after several years of intense lobbying by the Radio Society of Great Britain ( RSGB ), the 4-metre band was allocated to British radio amateurs as a replacement for the old 5-metre band allocation.
• Currently, the only Japanese-made, " mass-market " amateur radio transceiver to cover the Four metre band as standard is the Icom IC-7100, previously there was the UK specification Yaesu FT-847 which was discontinued in 2005.
• Some of these societies unite local areas ( such as repeater groups ) or groups of individuals ( such as Forces service groups, or old timer groups ) or even people interested in a particular amateur radio band ( such as 2-metre band groups ).
• In addition to the traditional users ( United Kingdom, Gibraltar and the British Military Bases in Cyprus ), an increasing number of countries in Europe and Africa have also allocated the 4-metre band to radio amateurs as a result of the decline in VHF television broadcasts on the 4-metre band.
• In addition to the traditional users ( United Kingdom, Gibraltar and the British Military Bases in Cyprus ), an increasing number of countries in Europe and Africa have also allocated the 4-metre band to radio amateurs as a result of the decline in VHF television broadcasts on the 4-metre band.
• Apprentices had exclusive use of the'AT Club'( an imaginative contraction of the'Apprentice Technicians Club') and also to the Bletchley Park'Radio Shack'with a call-sign of'G4BWD'-'Golf Four Building Works Department', able to access the 2-metre band.
• The club owns and operates two amateur radio repeaters from a location in Paddington operating under the call sign VK2ROT . On the 2 metre band the repeater operates on 147.025 MHz FM output / 147.625 MHz input using a 91.5 Hz CTCSS tone while on 70 cm the repeater is assigned to 438.575 MHz FM output / 433.575 MHz input using a 91.5 Hz CTCSS tone.