One facet of the diverse pursuit that is amateur radio involves the use of amateur ... but this has been as far as they have ventured into the HF spectrum. A new cubesat designed and built by ...

The Sun fired off a massive X9.05 solar flare from around its equator that can potentially spark several vibrant aurora ...

Wiluna is 1,000km from Perth and has a population in the hundreds. Despite this, it is home to test and transmission sites ...

a hackable HF SDR transceiver designed around the Raspberry Pi. [Ashhar] introduced the project in talk at the virtual “Four Days In May” annual conference of the QRP Amateur Radio Club ...

The Northern Lights, or aurora borealis, is usually seen over areas in the Earth's far north, like Scandinavia and Canada, ...

Just when we thought the sun was taking a bit of a break, the sunspot AR3842 fired off two powerful solar flares, including a ...

Two strong solar flares in the space of 48 hours will bring stunning auroras to northern states and the Midwest over the next ...

RFID 标签正越来越多地应用于 物流跟踪 应用。目前，RFID标签技术多种多样，包括各种频段、供电架构以及通信和数据协议，这意味着有许多标签可满足广泛的 物流跟踪 需求。利用一些 RFID 技术，可以远程同时读取数百个 RFID ...

The rare event, known officially as the aurora borealis, is most commonly seen in the skies of the earth's most northerly ...

The aurora borealis, which is most-commonly seen in the skies over the Earth's most northernly regions like Scandinavia, ...

Hero HF Deluxe is a 97cc commuter bike with price starting from Rs. 59,998. It is available in 5 colours and 4 variants. HF Deluxe is a fuel efficient bike with mileage of 70 kmpl. The bike gets ...

A period of G3 "strong" geomagnetic storming conditions is possible on Friday. These conditions could produce Aurora Borealis ...