1. FT-991 Test notes

2. Yaesu Digital Communications Guide

3. FLDigi Setup von KR4DA Bob

4. Menü Einstellungen von G4WJS für HRD und WSJTX

5. FT 991 Brochure

6. CAT Operation reference Book von YAESU 1501-A0

7. CAT Operation reference Book von YAESU 1508-C0

8. Guide to Configuring a Yaesu FT-991 for Ham Radio Deluxe and Digital Master 780 By ZS1JEN (Andre le Roux)

9. Firmware update manual Yaesu - 1602-C0

10. FT-991 Operating Manual (English)

11. FT-991 Setup for N1MM/MMTTY von Carl K0YCR

12. FT-991_Update_Firmware_Information_02-03-16

13. FT-991_Update_Firmware_Information_12-01-15

14. FT-991_USB_Driver_Installation_Manual_ENG_150707

15. Using the LDG AT-1000ProII with Yaesu FT-991 von KN5G

16. GND FIX for MH-36E8J with FT-991

17. Test Report: Yaesu FT-991, S/N 4N02453 (loaned by Bill Trippett W7VP) Adam M. Farson VA7OJ/AB4OJ, 18-25 July 2015

18. FTRestore Beschreibung von VK2BYI

19. FT-991 Yaesu Leaflet

20. FT-991 FLDigi Settings from MW0PRI

21. FT-991 Rig Settings FlDigi

22. WSJTX Configuration for FT-991

23. Yaesu FT-991 Key Press Sequences V2 01012016

24. Receiver comparison

25. FT-991 Service menu Einstellungen bye DO1TAM