Remember to check the RR 5.282.
RR 5.282 In the bands 435-438MHz, 1260-1270MHz, 2400-2450MHz, 3400-3410MHz (in Regions2 and3 only) and 5650-5670MHz, the amateur-satellite service may operate subject to not causing harmful interference to other services operating in accordance with the Table (see No. 5.43). Administrations authorizing such use shall ensure that any harmful interference caused by emissions from a station in the amateur-satellite service is immediately eliminated in accordance with the provisions of No. 25.11. The use of the bands 1 260- 1 270 MHz and 5 650-5 670 MHz by the amateur-satellite service is limited to the Earth-to-space direction.
The amateur-satellite service is available world-wide in the band 435-438 MHzn on a non-interference basis.
73, art….. W4ART Arlington VA
On 20-Jan-2019, at 01:35 PM, Zach Metzinger zmetzing@pobox.com wrote:
On 01/20/19 12:07, Nico Janssen wrote:
A Chinese CZ-4B rocket booster or, more likely, some payload attached to it, appears to have a telemetry downlink on 432.0836 MHz. It is object 43656, 2018-081B.
Illegal? Depends on the ITU region it is flying over.
U.S. 47 CFR 97.207(c)(1) defines 435-438 MHz as the allowable transmit frequencies for space stations. However, the ITU just marks 432-438 as AMATEUR (primary region 1) or Amateur (secondary regions 2&3). No distinction is made for amateur-satellite stations.
The ITU does allocate this swath of spectrum to "Earth exploration-satellite (active)". I haven't dug into that.
Unfriendly and uncoordinated? Definitely.
IANAL
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