HFU HF Underground
Technical Topics => Part 15 AM and FM Station Operation => Topic started by: ThaDood on October 14, 2025, 1619 UTC
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https://internetwork.com/radio/sstran.htm I don't have an SSTRAN AM Part 15 transmitter, yet, but for those of you that do, here's a link, that was FWR'ed to me, of a lot of great INFO here. And, bonus INFO on AM modulation and testing as well.
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There's an SSStran AMT3000 on eBay for $399 OBO https://www.ebay.com/itm/389044025538
I'd probably snag it but I already have one and 2 Rangemasters to boot. I don't need another.
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That AMT3000 and AMT5000 page was written by broadcast engineer Clark Burgard N1BCG and, as you say ThaDood, is full of great information. I think that the majority of folk who own SSTRAN transmitters bought them to broadcast to radios around the house, and are not inclined to go to a lot of time and effort to maximize the effectiveness of their installations. If it helps just one or two people though, it's worth it.
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.. I think that the majority of folk who own SSTRAN transmitters bought them to broadcast to radios around the house, and are not inclined to go to a lot of time and effort to maximize the effectiveness of their installations. ...
I noticed the one on eBay is set for broadcast on 700, at first I thought that odd (I didn't even realize the AMT3000 could transmit that low of a frequency), but as you point out; antique radio collectors primary concern is not range.. so maybe that explains why such a low frequency was chosen by the previous owner of the xmtr on eBay. Maybe that was the actual intention, to limit the range and keep it in the room.