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2. List of radio telescopes - Wikipedia

   en.wikipedia.org/wiki/List_of_radio_telescopes

   32m RT-32 radio telescope, operating range 1.4–22 GHz. [permanent dead link ‍] Svetloe Radio Astronomical Observatory Svetloe, Karelia, Russia 1.4–22 GHz 32m RT-32 radio telescope, operating range 1.4–22 GHz. [34] RT-7.5 (Bauman's radio telescope) Moscow Oblast, Russia Two 7.75-meter diameter antennas (only one is working at the moment ...

3. X-ray photoelectron spectroscopy - Wikipedia

   en.wikipedia.org/wiki/X-ray_photoelectron...

   XPS physics - the photoelectric effect.. Because the energy of an X-ray with particular wavelength is known (for Al K α X-rays, E photon = 1486.7 eV), and because the emitted electrons' kinetic energies are measured, the electron binding energy of each of the emitted electrons can be determined by using the photoelectric effect equation,

4. Antenna measurement - Wikipedia

   en.wikipedia.org/wiki/Antenna_measurement

   The first technique developed was the far-field range, where the antenna under test (AUT) is placed in the far-field of a range antenna. Due to the size required to create a far-field range for large antennas, near-field techniques were developed, which allow the measurement of the field on a distance close to the antenna (typically 3 to 10 ...

5. Antenna types - Wikipedia

   en.wikipedia.org/wiki/Antenna_types

   This article provides a summary description of many of the different antenna types used for radio ... offering a frequency range ratio of up to approximately 10:1 ...

6. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. AOL Mail for Verizon Customers - AOL Help

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

   Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more. AOL Mail for Verizon Customers AOL Mail welcomes Verizon customers to our safe and delightful email experience!

8. You can save big during Walmart's after Christmas sales: See ...

   www.aol.com/lifestyle/you-can-save-big-during-w...

   With Christmas now in the rearview and 2025 only days away, retailers are rolling out some incredible markdowns to kick off the new year in style.

9. Numerical Electromagnetics Code - Wikipedia

   en.wikipedia.org/wiki/Numerical_Electromagnetics...

   In antenna terms, each of the conductors making up the antenna is known as an element. [9] To calculate the net result, NEC breaks the antenna's elements into a number of sampled points, called segments. It uses simple calculations based on the diameter of the conductor and the wavelength of the signal to determine the induced voltage and ...