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Questions tagged [automation]

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2 votes
0 answers
147 views

May a station transmit an automatic response to me on reception of my command?

Specifically, on a prearranged amateur band frequency, I wish to send a message. Upon recognising the message, the receiver would transmit an automatic response. I have a (UK) "Foundation" ...
KDM's user avatar
  • 121
3 votes
1 answer
168 views

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 ...
Someone's user avatar
  • 604
2 votes
3 answers
480 views

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 ...
Galaxy's user avatar
  • 199
3 votes
2 answers
481 views

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 ...
kr4sh's user avatar
  • 367
4 votes
2 answers
362 views

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 ...
kr4sh's user avatar
  • 367
2 votes
1 answer
4k views

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 ...
Yuli Apriyanti's user avatar
2 votes
1 answer
226 views

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, ...
Gravatite's user avatar
3 votes
2 answers
155 views

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 ...
Definity's user avatar
  • 163
10 votes
1 answer
2k views

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 ...
Adam Davis's user avatar
  • 12.2k
6 votes
1 answer
168 views

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 ...
Adam Davis's user avatar
  • 12.2k
10 votes
3 answers
1k views

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 ...
Adam Davis's user avatar
  • 12.2k
4 votes
2 answers
300 views

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 ...
Adam Davis's user avatar
  • 12.2k