DB0INN multi FSK beacon





Crystal Oscillator with Frequency Multiplier :
Multiply and Filter :


PA:




Oscillator :












Inside:










Isolator:






Ant open:






New Multi-FSK-Coder RTTY ASCII AX25:














LP 3 kHz :








Integration Multi-FSK-Coder July 2024:












Modes:

RTTY   2125 Hz / 2295 Hz shift 170 Hz 45.45 bps

ASCII   1275 Hz / 2125 Hz shift 850 Hz 300 bps 8 bits 2 stop bits

AX25   1200 Hz / 2200 Hz shift 1000 Hz 1200 bps



PC soundcard decoder programms:

MULTIPSK

TrueTTY

sorcerer





DL8MCG GitHub Source Codes :

RTTY sample
ASCII sample
AX25 sample