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As far as I know, all of the other FCC regulated services that permit encryption are licensed in such a way that you need to get the equipment approved, which m

by geofft 7y ago

As far as I know, all of the other FCC regulated services that permit encryption are licensed in such a way that you need to get the equipment approved, which means they're out of reach of amateurs. I think that, especially in this day and age, there should be a way for hobbyists to be involved in the development of encrypted transmissions - it's been massively helpful for the internet for hobbyists to be involved. But maybe I just missed the existence of one when I went looking? (Arguably, what I want is another amateur radio service that permits things that aren't brief, personal messages, which could be entirely different from the existing ham radio service.)

jdietrich 7y ago
There's a specific exemption in the part 15 rules for home-built devices. You need neither a license nor equipment approval to design, build and operate ISM-band equipment. https://www.ecfr.gov/cgi-bin/text-idx?SID=2ae3224dc711208e8be5847288de2aab&mc=true&node=pt47.1.15&rgn=div5#se47.1.15_123 https://www.ecfr.gov/cgi-bin/text-idx?SID=2ae3224dc711208e8b...
- VLM 7y ago
  Don't forget experimental licenses. You can literally do anything you can talk the FCC into permitting, and they're generally nice people if you apply in good faith (like, apply for a supposed R+D license to transmit wideband voice FM on 101.1 MHz 24 hrs a day and they'll laugh and tell you to go away, but for genuine serious R+D requests they'll bend over backward to help) I was not directly involved in legal paperwork stuff but my understanding is a short term STA costs a varying amount depending on service code and all long term form 442 cost sixty bucks. I also recall the 442 is about a tenth the paperwork required, so I don't really see a point in requesting a STA for truly experimental work. Of course you can get a STA for literally any service the FCC regulates, whereas form 442 are only for legitimate blue sky experimental research.

by geofft 7y ago

jdietrich 7y ago

There's a specific exemption in the part 15 rules for home-built devices. You need neither a license nor equipment approval to design, build and operate ISM-band equipment. https://www.ecfr.gov/cgi-bin/text-idx?SID=2ae3224dc711208e8be5847288de2aab&mc=true&node=pt47.1.15&rgn=div5#se47.1.15_123 https://www.ecfr.gov/cgi-bin/text-idx?SID=2ae3224dc711208e8b...

VLM 7y ago
Don't forget experimental licenses. You can literally do anything you can talk the FCC into permitting, and they're generally nice people if you apply in good faith (like, apply for a supposed R+D license to transmit wideband voice FM on 101.1 MHz 24 hrs a day and they'll laugh and tell you to go away, but for genuine serious R+D requests they'll bend over backward to help) I was not directly involved in legal paperwork stuff but my understanding is a short term STA costs a varying amount depending on service code and all long term form 442 cost sixty bucks. I also recall the 442 is about a tenth the paperwork required, so I don't really see a point in requesting a STA for truly experimental work. Of course you can get a STA for literally any service the FCC regulates, whereas form 442 are only for legitimate blue sky experimental research.