英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • FCC Notice of Unlicensed Operation and Interfering with a Public Safety . . .
    The Federal Communications Commission (FCC or Commission) received a complaint from the Stafford County, Virginia Sheriff’s Office (Sheriff) concerning interference to the Stafford County P25 public safety radio communications system (Stafford County System) operating countywide on certain exclusively licensed radio frequencies In June 2024, Agents from the Columbia, Maryland Field Office
  • FCC License Search URLs - RadioReference. com Forums
    For a number of years now, I've been using the FCC ULS License Search website License Search to search for licensed frequencies, but this morning I'm experiencing "try again later" responses when running searches Before this website came into being (or when there have been issues with the
  • How to apply for a GMRS license and receive your FCC call sign
    The FCC’s Universal Licensing System (ULS) is is an online portal to manage your FCC applications licenses, and pay any applicable fees via a single account The ULS eliminates the need for paper applications and submitting via snail mail You may also view the status of pending licenses in the ULS
  • FCC proposes deleting cellular frequency block rule
    Hams don't use all the spectrum they already have So? Is there an ITU regulation that says US amateurs must use 90 percent of available bandwidth in Region II for at least 50% of the available 24 hour day? I have yet to see any amateur regularly using anything at or above 10 5 GHz, yet we
  • GMRS repeater linking and the FCC - RadioReference. com Forums
    According to this popular YouTuber, the FCC is finally taking action to end the practice of linking GMRS repeaters It should be noted that it is common practice for the FCC to not publicly release information when conducting enforcement actions Even when a rogue BDA jammed my public safety
  • FCC Itinerant Licensing - RadioReference. com Forums
    Go to the FCC ULS Advanced Application search web site Application Search - Advanced Application Search Under Application Detail select: Service Group = Part 90-Land Mobile-Site Based Radio Service Code = IG - Industrial Business Pool Conventional Select a date range (the last year will limit the number of returns and work faster)
  • Baofeng Digital GMSK W31D and T20D - RadioReference. com Forums
    Has anyone bought these new analog digital walkie talkies They are very cheap: 30 dollars for 2 walkie-talkies They support both analog and GMSK digital mode (not compatible with DMR or existing digital networks) The W31D is compatible with the T20D at the GMSK digital level and analog
  • FCC proposes allowing broadband in entire 900 MHz LMR band.
    FCC proposes rules to expand 900 MHz broadband to 5x5 MHz FCC commissioners last week approved proposed rules that would permit broadband-wireless operation on 900 MHz spectrum—much of which is licensed to Anterix—that supported only land-mobile-radio (LMR) communications less than six years ago
  • Revised FCC Form 605 Will Ask Applicants “the Felony Question”
    Revised FCC Form 605 Will Ask Applicants A revised FCC Form 605 — Quick-Form Application for Authorization in the Ship, Aircraft, Amateur, Restricted and Commercial Operator, and General Mobile Radio Services — going into effect in September will ask all applicants to indicate if they have been convicted of or pled guilty to a felony
  • Proposal to FCC for VHF Low Band Channels on GMRS and FRS
    They should try FM, and maybe petition the FCC for approval to run more power Were it to become a consumer band, it would be trivial to overlay FHSS operation and turn those channels into many talk groups and get much more utility from them Simplex probably the best case solution as repeaters are going be tricky due to noise variability





中文字典-英文字典  2005-2009