( VHF Base Amateur Radio Antenna ) Specification Brand: Diamond Model: BC-100 Frequency: 134 - 174 MHz Gain: 4.50 dBi Type: VHF Amateur Description BC-100 Frequency: 134 to 174MHz Gain: 4.5dB Max. power rating: 200W Impedance: 50ohms VSWR: Less than 1.5 : 1 Length: 1.7m...
Once you program your pre-determined six FRS / GMRS (General Mobile Radio Service) frequencies into the base unit you can easily switch between them by using the glove-friendly alphabetical dial on the Smart Mic. The Smart Mic also contains a speaker and mic (obviously), as well as an on...
148-174 VHF High Band 406-420 Federal Gov't 420-450 Ham Band 70 Cm 450-470 UHF Band 470-512 UHF "T" Band 806-956 800 MHz Band (less cellular) RR System Compatibility This scanner is compatible with the following Trunking System Types and System Voices used in the RadioReference Databa...
百度试题 题目___communications are intership VHF radio telephone communications for the purposes of the safe movement of the ships. A. Safety B. Urgent C. Bridge-to-Bridge D. Distress 相关知识点: 试题来源: 解析 C 反馈 收藏
toys. Some can be made to receive on VHF and UHF conventional analog channels and even talk on them. This is not a good thing. First off the build quality on these things is poor. They are designed not for performance but for cheapness. If the radio breaks it usually cannot be ...
a radio frequency between very high frequency and medium frequency see Radio Frequencies Table high frequency_电工行业词汇 高频 high frequency_金融行业词汇 高频率 high frequency词源英文解释 The first known use of high frequency was in 1892
ACARS lets you view ACARS transmissions on your iPad, iPhone, and iPod Touch. Just connect it to a VHF radio (or even set it next to the radio's speaker), tune in an ACARS frequency, and watch the decodes. Decodes can be automatically saved to an acars.txt file on your device's ...
The VHF/FM radio receiver of any vehicle within range will tune to the signal of one of these carrier frequencies, as being identical or close to, but stronger than, the channel selected by the driver, so that the audio warning will be delivered to the driver. 展开 ...
2Mayday-RelayMayday-RelayMayday-RelayAllships.ThisisBarinRadio.Followingreceivedfrommotorvessel"Selin"Thereisacollisionbetweentwomotorvesselsinpositionforty-twofourteendegrees'north,sixteenseventeendegreeseast.Afterafewminutesoneshipsankandfourteenpersonswerelost.Someshipsandhelicoptersaresearchingnow.Shipsin...
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