Retevis, a renowned radio brand, has introduced budget-friendly and feature-rich dual-band HTs, the Retevis RA89 and the RA79. The RA89 is IP68 waterproof and dustproof, boasts a USB-C charging port with an optional dock, and provides clean clear audio. The RA79 offers wide reception from 50Mhz to 600Mhz and a unique functionality to swap batteries without powering down the radio due to its USB port placement on the radio case. These radios are on sale during the Retevis’s Black Friday event ending on 24 November.
Hello Operators.The high cost of lightweight, amorphous silicon solar panels can be tough on budgets. After some research, I’ve found an American made solar briefcase […]
Hello Operators. As I sit here enjoying the last week of my summer holiday, the disaster in Maui is an important reminder of maintaining our network […]
A demonstration showcased the durability of PowerFilm Solar’s portable panels, enduring multiple hits from a .25 caliber rifle yet continuing to perform. Despite numerous punctures, the panels’ peak current decreased from 0.73 to 0.47 amps but remained stable. PowerFilm Solar, an American company, offers these robust panels excellent for mission-critical tasks, illustrating quality differences between brands.
In May 2023, Julian OH8STN, Ed WQ2U, and Oliver DL4KA set off on an off-grid communications field test above the Arctic Circle. The team aims to test new strategies for off-grid communications, spanning portable power, robust hardware, and antenna efficiency. The expedition will take place near Rovaniemi, Finland. Also, part of the testing includes new robust packet radio capabilities and power supplies. The team encourages interaction from the community via Winlink and APRS messages.
When discussing efficient low power communications, it is impossible to deny the effectiveness of narrow bandwidth data, even at low power levels. But wait, there’s […]
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