YAESU FT991/991A MARS/TX Frequency Expansion Modification
Here is a short clear video showing the Wideband/MARS TX Modification on the YAESU FT991/991A. The procedure is quite simple but you will be attempting this is at your own risk, it may also invalidate your warranty. #hamradio #yaesu #electronics

▶︎
The MARS mod : Why? (#665)

▶︎
Yaesu FT991A - MARS MOD

▶︎
Why Adam Savage Won't Trust USB Keys

▶︎
A Tour of the YAESU FT-991A - Connectors, Buttons, and Knobs - Oh My!

▶︎
Yaesu FT 991A Won't turn on --Diagnosis

▶︎
Storchennest Live Webcam in Bad Salzungen, Thüringen

▶︎
FT8 Killed the Yaesu FTDX10! A Mistake by Japanese Engineers. Replacing the RD70HUP2 Transistor! ...

▶︎
I Hacked This Temu Router. What I Found Should Be Illegal.

▶︎
FT991 Extended Transmit range

▶︎
#261 Yaesu FT-991A Sloppy Repair fixed

▶︎
#285 Yaesu FT-991A; The repair video - we fix it

▶︎
The 5 Channel Basket Case: Parasound's A52

▶︎
The Tech Prepper is live! Yaesu FT-991A

▶︎
Setting Water Fall and Spectrum Analyzer on FT991A Out of the Box not updating when I hear stations

▶︎
How to repair a FT 991A with no receive on the first receive!

▶︎
Programming the FT-991A with RT-Systems S/W

▶︎
The Surprising Flaws in 18650 Lithium-Ion Batteries

▶︎
YAESU FT991A - SELECT AIRBAND & C4FM

▶︎
Yaesu FT-991A Unboxing + On-Air Tests

▶︎
