All Questions
5
questions
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 ...
- 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 ...
- 367
2
votes
1
answer
618
views
Use amateur radio frequencies for commercial purpose
Can I use amateur radio frequency for commercial purpose (after acquiring ham license), expecting that it would be congestion free band and give me good broadcasting performance compared to other ...
- 123
6
votes
1
answer
517
views
Is it legal (in the US) for a server on APRS-IS to relay replies from non-hams to a ham?
I've heard two sides to this. On one hand, sites that allow you to send messages into the APRS-IS network, for relay over RF, demand you enter a call, as "only licensed hams may cause a message ...
- 225
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 ...
- 12.2k