ft8

i have my X6100 connected to my Mac... WSJT-X was running fine... i'm not sure what's going on now, but i get an amazing waterfall and reception from stations all over the world... but recently, for reasons i cannot figure out... when i transmit, the waterfall goes black and the computer stops...

When I try to tune my IC7100 at frequencies lower than 20m, the tuning signal ramps up and resets over and over... it wasn't always like this, and I'm sure I've changed soemthing to cause it, but I have no idea what. Works fine 20m and higher - anyone have any ideas? (video link below of it...

i am new to HF and 100% using FT8 so far... i would have WAS completed 40-10m if it weren't for 3 states on 12m... i'm in stlouis, these states are KY, AR, and MS... not far, 2 are touching my state, and PSKReporter shows my signals going right over them, sometimes i can hear KY or MS, but they...

I'm looking to acquire or somehow build an ultra portable HF sms text messaging radio for when I'm out in the back country. I only need to transmit to the nearest iGate to send the APRS SMS text message. The radio will be stowed away in a backpack and only used to check-in back home once a day...