Questions related to how the ITU divided the Earth up into 90 zones and how to determine where you and/or your contact it located.
Questions tagged [itu-zones]
4 questions
13
votes
1 answer
How do Radio Regulations and Frequency Allocations Apply to an Ionosonde?
An ionosonde is a special HF radio transmitter that periodically transmits a signal that sweeps across a large portion or the entire HF spectrum to identify the propagation of radio signal in the ionosphere, currently they are operated by various…
比尔盖子
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11
votes
3 answers
Where can I find the official definition of ITU Zones?
I've been looking around for a spot that has the official definition of what the various ITU Zones are, but can't find one. What is the official definition? I'm hoping for more than just a map, unless said map is VERY detailed and can be downloaded…
PearsonArtPhoto
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7
votes
2 answers
What are CQ/ITU zones used for?
There are already questions about the definition of CQ zones and ITU zones, but there is no information about what these zones are used for (and Google brings up various maps but no explanation).
(Is this something a non-US novice-class amateur…
Georg DO1GL
- 357
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0
votes
1 answer
Can the 902-928MHz ISM band be used in Kazakhstan?
My team is planning to test an IoT sensor in Kazakhstan. This sensor normally sends data to an Edge device (a tablet PC) using the ISM radio band ranging from 902 to 928MHz.
Is this band allowed in Kazakhstan?
The HBR website states that Kazakhstan…
Sheldon
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