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2. Radar beacon - Wikipedia

   en.wikipedia.org/wiki/Radar_beacon

   Radar beacon. Racon signal as seen on a radar screen. This beacon receives using sidelobe suppression and transmits the letter "Q" in Morse code near Boston Harbor (Nahant) 17 January 1985. Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1 ...

3. Amazon raises free shipping minimum for some non-Prime ... - AOL

   www.aol.com/amazon-raises-free-shipping-minimum...

   To qualify for free shipping, non-Prime members typically have to purchase an order totaling at least $25. On Monday, the e-commerce giant said it has raised that minimum to $35.

4. AOL Mail

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   You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

5. Amateur radio licensing in the United States - Wikipedia

   en.wikipedia.org/wiki/Amateur_radio_licensing_in...

   It required passing 5 wpm code (sending and receiving) and a simple written test. Technician was a new 5-year license meant for experimenters. Full privileges on 220 MHz and higher, no privileges below 220 MHz. 5 wpm code tests and the same written test as Conditional and General.

6. Free shipping - Wikipedia

   en.wikipedia.org/wiki/Free_shipping

   This figure has been consistent for the last few years (ranging between 58% and 69%). Moreover, US respondents asked in the survey listed free shipping (54% mentions) as a most important factor for online shipping. Next in line were exclusive online deals (23%), no sales tax (10%), fast shipping (9%) and in store pickup (5%). [3]

7. AOL Mail Help - AOL Help

   help.aol.com/products/new-aol-mail

   AOL Mail Help - AOL Help. Call live aol support at. 1-800-358-4860. Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more.

8. Minimum viable product - Wikipedia

   en.wikipedia.org/wiki/Minimum_viable_product

   A minimum viable product (MVP) is a version of a product with just enough features to be usable by early customers who can then provide feedback for future product development. [1][2] A focus on releasing an MVP means that developers potentially avoid lengthy and (possibly) unnecessary work. Instead, they iterate on working versions and respond ...

9. Hamming code - Wikipedia

   en.wikipedia.org/wiki/Hamming_code

   In mathematical terms, Hamming codes are a class of binary linear code. For each integer r ≥ 2 there is a code-word with block length n = 2r − 1 and message length k = 2r − r − 1. Hence the rate of Hamming codes is R = k / n = 1 − r / (2r − 1), which is the highest possible for codes with minimum distance of three (i.e., the minimal ...