Can you use C4FM on HF?
Can you use C4FM on HF? FYI C4FM is not allowed below 29 Mhz. This is because it is a wide band modulation and uses more than the allowable bandwidth for HF band transmission. Straight FM is not allowed below 29 Mhz for the same reason.
Does the Yaesu FT-991 have built in antenna tuner?
Antenna Tuner for Yaesu FT-991. The Yaesu FC-40 antenna tuner uses of the control circuitry built into the FT-991, which allows the operator to control and monitor automatic operation of the FC-40 mounted near the antenna feed point.
Does the Yaesu FT 991a have an antenna tuner?
The FT-991 Comes in a compact, lightweight package suitable for portable, mobile and base installations. Measuring 8.8″(W) x 3″ (H) x 9.9″ (L) at just 9.7 pounds this robust full featured mobile/portable radio is ready to go when and where you are! Internal High Speed Automatic Antenna Tuner included in the package.
Is ft991a a SDR radio?
The FT-991a is not an SDR. It definitely has DSP augmented tuning and filtering and a slick spectral/waterfall display.