A specially developed version of Linux will replace Windows 7 in the Chinese public sector. CNews article.

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Most smartphones in video cameras record a video with a constant frame rate - 30 or 60 frames per second.
However, in the GCam application when shooting at night, you can set the frame rate automatically - it drops to 14 and below when there is not enough light, but the image in the frame becomes brighter. Recording with a variable frame rate (VFR) must be re-encoded with a constant frame rate (CFR) of 30 fps.

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Sooner or later, a buyer on AliExpress is forced to return the purchased product to the seller. In my case, the Nagoya 771 antenna with an SMA connector did not provide tight contact in the radio connector - the dimensions of the SMA connector were not accurately implemented. I am considering options for action if significant defects in the product are discovered.

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The identification call sign is registered at the Main Radio Frequency Center (GRFC), and the equipment is registered at the regional Roskomnadzor. In connection with the transition to online services, the applicant’s office of the GRCHTS was opened. I will share my experience in renewing an amateur radio call sign and registering radio-electronic equipment.

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Most orders must be delivered from China by the Orthodox New Year on 01/14/2021.

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A TV set-top box (Set Top Box) for receiving digital TV sometimes provides a choice of image format - 1080i or 1080p. The article answers the question “which option to choose - 1080i, 1080p, 720i or 720p, or 576i.

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Various public services portals accept files in electronic form of a strictly limited size. The usual requirement is a file size less than 5 MB. But many PDF files have a larger size due to the fact that the PDF format has recently been used for storing scanned documents. This message shows two ways to reduce the size of PDF files.

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For a colleague, I made a home computer from the organization’s decommissioned equipment (motherboard on an 865 chipset, socket 775) and upgraded the PC for little money. Due to poor performance, it was necessary to optimize the viewer settings for video playback.

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16 On November 2020, the version 2.3.0RC2 of the well-known program for digital communication types WSJT-X (author Joe Taylor, K1jt) was published. This version - "Release Candidate" - precedes the release of the final version. Already now we can talk about the innovations of version 2.3. What changes will be brought to version 2.3?

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The proposed antenna is useful for transportation in the trunk of a car in a collected form - dimensions: 1000 x 980 mm.

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