Yaesu SP-10 and SP-20
SP-10 and SP-20 On December 8, 2016, Yaesu
For the FT-991 series, FT-991A 
According to the company, both SP-10 and SP-20 are high quality sound design, “faithfully reproduce the high quality sound output from the receiver from SSB in HF 
2 new external speaker models
<SP-10>
– FT-991
regular price of 12,000 yen (excluding tax)
, maximum input: 3W, impedance: 8Omu
– Dimensions: W110 × H 80 × D253mm, body weight about 1.0kg
<SP-20>
, FTDX3000D
regular price of 15,000 yen (excluding tax)
, maximum input: 7W, impedance: 8Omu
– Dimensions: W130 × H115 × D312mm, body weight about 1.7kg
**google translate
A Cygnus resupply mission to the International Space Station (ISS) on April 11 also delivered three CubeSats of the BIRDS-3 constellation and three other CubeSats. The BIRDS-3 constellation is a project of students at the Kyushu Institute of Technology. The additional C... Read more
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