Amateur Radio Stack Exchange
Amateur Radio Stack Exchange

Questions tagged [automation]

11 questions
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What Part 97 rule allows unattended, automated transmissions, such as APRS weather stations and beacons?

What rule allows Amateur Operators to establish and operate remote, automated stations like APRS weather stations or beacons? Are there different rules specifically for beacons, or do they all fall under the same rules?
Adam Davis
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Aside from repeaters, what station types allow automated transmissions?

I know repeaters don't have to have a control operator at the radio in order to transmit given certain conditions are met. Are there any restrictions to setting up automated stations which transmit upon receiving specific transmissions from their…
Adam Davis
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What prevents automation in contests?

It seems that using a CW skimmer with an SDR one could fully automate a contest station, and even handle multiple contacts simultaneously in the case of pile-ups. Has this been done or discussed before? What rules are common that would prevent this…
Adam Davis
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How would one automate HF communications to a specific location?

There appears to be some significant interest in establishing a fool-proof* HF communications method for location to location communication regardless of current propagation conditions. Given that there's a beacon network which provides good…
Adam Davis
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Wireless temperature data logger in the USA on 433MHz

I'm a newly licensed ham tech. I am trying to figure out if I am doing everything correctly to setup a wireless temperature monitoring station that uses the 70cm band (specifically 433.4MHz) in the USA. This setup will involve a station that is…
kr4sh
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UK 2m Morse Simplex

I got my foundation licence and a Baofeng. Just curious if it's in the license boundaries that I could make a little Morse weather station? It would be controlled by computer and transmit once every 5/10 minutes, with my call sign of course.
Definity
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Is it legal to make transmissions to one's own auto-confirming radio with the intent that a non-licensed person read the messages?

Is this scenario legal? John, K1ABC, sends this message from a portable QTH: K1ABC-1 DE K1ABC-2 On the way home DE K1ABC/P John's home radio automatically responds (controlled by a computer): K1ABC-2 DE K1ABC-1 MESSAGE RECEIVED DE K1ABC John's wife…
Someone
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What is the legality of data modes over UHF/VHF in the US?

Cheap & simple transceivers are readily available online that allow you to transmit serial data over UHF/VHF frequencies such as 433MHz (approximate range of 1000m). It seems that these are popular in places like Europe where these devices operate…
kr4sh
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model rocket locater

I'm trying to determine the best way to operate a model rocket tracking beacon. There's various vague details on modes of operating in part 97, and equally vague descriptions in the 70cm band plan, and I was hoping someone could bring some clarity…
Gravatite
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Transmitting Video Underwater

My brother and I are considering designing and building a remotely controlled submarine. As far as experience, I have some knowledge on RC systems, and I am almost done with my General license. My brother hasn't completed his license yet, but shares…
Galaxy
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How to make GRC flowgraph run and stop automatically during some period

I have beacon receiver program the flowgraph is shown here I have to make the flowgraph run and stop automatically during a preset period, because I have to make the flowgraph only work when the beacon satellite passes the ground station. I am…
Yuli Apriyanti
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