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Yaesu FT-991A
The FT-991A is all mode, all band MF/HF/VHF/UHF transceiver with C4FM (System Fusion) Digital capability. The FT-991A includes multi-mode operation on CW, AM, FM, SSB, and Digital Modes (Packet, PSK31, RTTY and C4FM), with 100 Watts of HF/50mhz Capability (50 Watts VHF/UHF).
The has a high-resolution full color 3.5“ TFT touch panel, incorporating a High Speed Spectrum and High Resolution real-time scope.
The FT-991 can be connected to a computer using a USB cable for CAT control and firmware updates, or the use of an integrated SCU-17 Interface Unit to support USB Audio In/Out, TX Control (PTT, Key, Shift).
The FT-991A has an in-built automatic antenna tuner.
Packet Radio with NinoTNC
Report from Simon M0XLZ is that he successfully uses NinoTNC with FT-991A to connect to GB7IOW over 300 baud HF packet (IL2P).
Settings on the radio are:
- mode: data-usb
- dial setting of 7.04575 (for GB7IOW)
On the F button:
- DT Gain 60
- Shift +200hz
- Width 500hz
On the Menu button:
- item 073 Data Out Level at 80
The received signal needs to be at least 3 S points over the noise floor.