There are 9000 satellites, more than half are Starlink satellites. Dr. Tyson explains. https://www.facebook.com/reel/348869794985264/?mibextid=9drbnH&s=yWDuG2&fs=e
Archive for the ‘communication’ Category:
2024-11-04 Very Large Server Room / Data Center
https://www.facebook.com/reel/956494383084980/?mibextid=9drbnH
2024-10-24 Starlink Mini Approved By Joe Rogan
It’s the size of a notebook. For remote use. https://www.facebook.com/61552509624292/videos/1075991334061084/?mibextid=9drbnH
2024-05-26 Researchers Invent Mini Tuneable YIG Filter 3.4 to 11 GHz for 6G Datacomm
This is an interesting article: mainly about a miniature Tuneable YIG – yttrium-iron-garnet – filter that could replace many fixed filters. Quote “”Wireless devices use different filters for different frequencies, with the effect that covering all frequencies or bands requires large numbers of filters that take up substantial space. (The typical smartphone includes upwards of
(Read More…)
2024-03-31 LoRa Modules From Reyax
Supposed to have 10 to 14 km range. But probably at very low data rates. https://www.facebook.com/reel/936216961243959?mibextid=9drbnH&s=yWDuG2&fs=e
2024-02-05 1960s IT Guy Predicts The Future
He got almost all of it right. But at that time no one knew how portable they would become. No one knew how many more things they would be and do – telephone, camera, audio and video recorders, run hundreds of applications such as the browsers that access the Worldwide Web. Email, messaging, clock, calendar
(Read More…)
2023-09-19 How Area Codes Were First Assigned By Telcos – Dr. Tyson
Well, Dr. Tyson got a few things not quite right. For one, he said that the area code numbers were chosen so that the most *people* would have do dial the least amount of digits. Well, that was just a side benefit. The central office equipment can’t have a dialer for every telephone, so they
(Read More…)
