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SatNOGS Satellites List
Operating Modes/Satellites
SatNOGS DB is an effort to create an hollistic, unified, global database for all artificial objects in space (satellites and spacecrafts). You can view and export the data, contribute to it, or even connect your application using API.


Top Amateur Radio Websites - Issue 2231
40m center loaded vertical antenna, Coax Dipole for 2 meters band, 20m 30m 40m Bandpass Filters, SteppIR UrbanBeam Review, QTHnow, VA6AM Contesting Accessories, ANjo Antennen


ARRL Audio News September 23, 2022



PE0SAT Satellite Frequency List
Operating Modes/Satellites
An online reference table with Satellite information including current status, uplink and downlink frequencies.


Biggleswade Swapmeet and Auction
Vintage radio auction and indoor rally on Sunday


NASA to provide live coverage of Space Station crew activities
Three cosmonauts living aboard the International Space Station are set to return to Earth Thursday, Sept. 29


Remote examination invigilators wanted
The RSGB is looking for more volunteers to act as remote examination invigilators


WIA say AX prefix use is illegal
Australia's WIA have said the use by some stations of the AX prefix to commemorate the death of Queen Elizabeth II is illegal


Amateur Radio Operators Track Hurricane Fiona

The National Hurricane Center (NHC), the Hurricane Watch Net (HWN), the Voice over Internet Protocol (VoIP) Hurricane Net, and the Salvation Army Team Emergency Radio Network (SATERN) all have been engaged in tracking Hurricane Fiona.

Amateur radio operators have been reporting weather conditions since Monday, September 19, 2022, and have received positive feedback on their assistance. The VoIP ...



Vertical Antenna Wavelength Vs Performance
Antennas/Theory/Antenna Gain
This article on basic antenna theory explains why is a 5/8 wavelength vertical antenna better than a 1/4 wavelength antenna


Blocking Dynamic Range in Receivers
Technical Reference/Receivers
An explanation of the different procedures and definitions that are commonly used for blocking dynamic range (BDR) measurements. Dynamic range in general is the ratio between the weakest signal a system can handle and the strongest signal the same system can handle simultaneously without an operator switching attenuators or turning volume potentiometers


Ofcom to probe cloud, messenger and smart-device markets
Ofcom is to examine the position of Amazon, Microsoft and Google in cloud services, as part of a new programme of work to ensure that digital communications markets are working well for people and businesses in the UK


ZS SOTA, ZSFF and Heritage Spring Day
The ZS SOTA, ZSFF and Heritage Spring Day will be on Saturday 24 September (National Braai Day and Heritage Day)


IRTS Treasurer's announcement
The IRTS Treasurer David Gardiner (EI3IXB) has emailed all members who pay their membership fees by using Direct Debit from their Ulster Bank and KBC accounts


Sweden: Strengthening EMC oversight
The Swedish Electrical Safety Authority has received money for more information and supervision of the EMC problem


Mangata application for satellite licensing
Ofcom has received an application from Mangata for an Earth Station Network Licence for their Mangata Networks satellite constellation


Is Your House Bugged?
Here we explore how a current loop microphone can provide audio surveillance at low cost and high fidelity


US female radio amateur in running for ITU top job
The ITU Plenipotentiary Conference which takes place in Bucharest, Romania from 26 th Sept. – 14 th Oct. during which, amongst other items, the International Telecommunication Union’s top executives are elected


NASA astronaut Frank Rubio, crewmates arrive safely at Space Station
NASA astronaut Frank Rubio and two cosmonauts arrived at the International Space Station Wednesday, bringing its number of residents to 10 for the coming week


Clarksville American Legion Post 289 to host Scouting Jamboree on the Air
Jamboree-on-the-Air, or JOTA, is the largest Scouting event in the world. It is held annually on the third full weekend in October



 

 
 
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