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Spectrum owns several pet care companies, both in the aquarium supply and companion animal trades. In the aquarium business, Spectrum owns Tetra, Whisper, Marineland, Perfecto, Jungle, Instant Ocean, Visi-Therm, and other product lines.
WSPR (pronounced "whisper") is an acronym for Weak Signal Propagation Reporter. It is a protocol, implemented in a computer program, used for weak-signal radio communication between amateur radio operators. The protocol was designed, and a program written initially, by Joe Taylor, K1JT.
TETRA was specifically designed for use by government agencies, emergency services, (police forces, fire departments, ambulance) for public safety networks, rail transport staff for train radios, transport services and the military. [3] TETRA is the European version of trunked radio, similar to Project 25.
The advantage of MPT 1327 over TETRA is the increased availability, lower cost of equipment, the ease of installation, the familiarity with the equipment, and many believe that MPT 1327 is superior to TETRA, due to its uncompressed FM audio, and greater receiver sensitivity.
This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. Once opened, compounded semaglutide typically lasts 28 days in the fridge. Compounded semaglutide, which contains the same active ...
Sepura was founded in 2002 when it acquired the assets of the TETRA radio business from Simoco. The following decade saw the TETRA standard gradually adopted, while Sepura saw its business expand from its core UK-based public safety organisations to an international market including oil and gas, transport markets, [2] utilities and mining.
The Office of Personnel Management told CNN that it had issued no further instructions to agencies about the websites. Instead, the office said in an email that it believed the issue was being ...
The flame tetra (H. flammeus) is bred in large numbers in captivity and common in the aquarium trade, but rare in the wild. [5] </ref> [6]Most of the species in the genus have not been rated by the IUCN Red List as Threatened, but many species have small distributions and at least three, H. flammeus, [5] H. coelestinus and H. duragenys are classified as endangered. [7]