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VK7AX > WIA 03.05.26 04:44l 42 Lines 1994 Bytes #999 (0) @ WW
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Subj: IARU Press Release Regarding AST Space Mobile
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IARU Press Release Regarding AST Space Mobile
Date : 30 / 04 / 2026
Author : IARU
IARU Press Release Regarding AST Space Mobile
FCC Approves AST Space Mobile's License for Emergency TT&C Operations in the 430-440 MHz Amateur Radio Band Outside the US
On April 21st, 2026, the FCC granted AST Space Mobile permission to conduct emergency Telemetry, Tracking & Control (TT&C)
operations outside the United States in the 430-440 MHz amateur radio band for all their planned 248 satellites.
More than 2,500 comments were submitted by ARRL, AMSAT, other IARU societies and individual radio operators during the FCC review period.
The license allows emergency operations when no other bands are available for up to 24 hours on the center frequencies
of 430.5 MHz, 432.3 MHz, 434.1 MHz, 435.9 MHz, and 439.5 MHz (each with 50 kHz bandwidth),
and was granted by the FCC pursuant to Article 4.4 of the ITU Radio Regulations.
The IARU is of the view Article 4.4 was not appropriate to use in this case in order to assign frequencies in derogation
of the ITU Table of Frequency Allocations.
We note UHF allocations exist specifically for satellite TT&C purposes and should have been selected instead of frequencies
allocated to the amateur services.
The 430-440 MHz band is primarily reserved for the amateur and amateur satellite services in ITU Region 1 and several Region 2 countries.
The IARU and its member societies will keep working towards a clearer understanding of how Article 4.4 should be applied to space operations.
We also encourage members to report any interference caused by AST Space Mobile satellites to their national regulators.
73 Joel W5ZN
Secretary
International Amateur Radio Union
Page Last Updated: Thursday, 30 Apr 2026 at 19:53 hours by Lee Moyle
(Sourced from https://www.wia.org.au/newsevents/news/2026/20260430-1/index.php)
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