2009年9月24日 · NIST radio station WWV broadcasts time and frequency information 24 hours per day, 7 days per week to millions of listeners worldwide. WWV is located near Fort Collins, Colorado, about 100 kilometers north of Denver.

In 1995, WWV unveiled a prototype of an all-new transit-style school bus called the Wayne RD 9000, featuring many innovations never before seen in school buses. [6] Between several lost bids for more military trucks and questionable profitability of the WWV production, BMY shut down completely and closed the Marysville plant in 1995.

这个台虽然并不是标准频率（WWV在加拿大收的可清楚了，所以……）但是还是使用的UTC时间 . 管理者是加拿大国家研究委员会（NRC）发射机就在加拿大首都渥太华西南15公里左右的近郊（45.2948, -75.7579）

WV-9000-MW6-220, 220 Volt AC, WAFER-VAC™ System With 6 Inch MOLDED PEEK Wafer Tip VMWT-B $ 483.00 Add to cart; WV-9000-MW4-220, 220 Volt AC, WAFER-VAC™ System With 4 Inch MOLDED PEEK Wafer Tip VMWT-A $ 483.00 Add to cart; Home Page; Download Our Interactive Catalog; 10 Day Trial Demo Program; Get Support.

2018年9月10日 · wwv是nist的一个最主要的时间台。它在2.5, 5, 10, 15,20mhz上不间断地播发美国政府标准时间和频率信号。 这些频率熟悉吗？ 一会儿我们要提到的我国BPM台也用到了其中的一些频率。

WWV is a shortwave ("high frequency" or HF) radio station, located near Fort Collins, Colorado. It has broadcast a continuous time signal since 1945, and implements United States government frequency standards, with transmitters operating on 2.5, 5, 10, 15, 20, and 25 MHz. [1] .

2025年2月12日 · In the amateur radio area in the 1980s, Heath introduced the SS-9000. It was an HF, 160-meter through 10-meter transceiver. It included all the WARC (World Administrative Radio Conference) bands: around 10, 18, and 24 MHz as well as the existing HF bands.

Heath SS-9000 SPECIFICATIONS. GENERAL: Type: Amateur HF transceiver: Frequency range: 10-160 m + WARC in nine bands 160 m: 1.8-2.0 MHz ... 17 m: 18.068-18.168 MHz 15 m: 21.0-21.450 MHz 12 m: 24.890-24.990 MHz 10 m: 28.0-29.7 MHz + WWV @ 15.0 MHz Tuning steps: 100 Hz: Frequency stability: Less than 3 ppm from power on for first 15 minutes Less ...

2023年1月16日 · 对于一个简单的莫尔斯电码练习器，您可以将键与一副耳机调整并调到WWV。 然后，你可以打开或关闭音调。 此外，授时电台还发出了无线电传播干扰警报，用莫尔斯符号W、U或N表示，W表示警告，U表示不稳定，N表示正常。 特别声明：以上内容 (如有图片或视频亦包括在内)为自媒体平台“网易号”用户上传并发布，本平台仅提供信息存储服务。