Steve Stroh, N8GNJ, has always enjoyed the confluence of computers, data communications, and amateur radio from the earliest days of AX.25 packet radio to the current AREDN and SDR (software defined radio). Steve uses his Zero Retries newsletter on Substack, to communicate the amazing amateur radio technology developments in data communications that does not get covered in the standard amateur radio journals. N8GNJ shares his experience and interesting stories in this QSO Today.