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Showing posts with label ADF. Show all posts
Showing posts with label ADF. Show all posts
12 June 2026

Simulating ADF ISB Transmissions: 12-Bit Repetition Coding on the USB Channel

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The idea for this post stems from an interesting RAN (Royal Australian Navy) fleet broadcast originating from the MHFCS (Modernised High Fre...
20 February 2024

KW-46 secured fleet broadcast over S-4285 in ISB mode (Humpty Doo, MHFCS)

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Interesting fleet broadcast from the MHFCS (Modernised High Frequency Communications System) site in Humpty Doo, Northern Territory - Austra...
31 December 2021

UK DHFCS St.Eval running the Aus 600Bd/850 FSK waveform

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Since a few days ago, approximately from the fourth week of December, on 2815.0 KHz (CF) it's possible to receive a strong and continuou...
21 October 2020

KW-46 secured traffic over 188-110A, MHFCS Townsville

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Long 110A Serial transmission heard on 6345.50 KHz/usb and used for KW-46/KIV-7 secured fleet broadcast, task usually performed by S4285/S-4...
2 comments:
4 July 2019

110A 2400bps modem carrying 1536-bit protocol

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Signal recorded on 14600.0 KHz/USB tranks to the KiwiSDR  http://collie2.ddns.net:8073/ located in Western Australia.  The used HF wave...
28 May 2019

KW-46 secured fleet broadcast using the GA-205 multiplex (Australian RAN)

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This is a very interesting STANAG-4285 signal spotted on May 24 on 6378.0 KHz USB thanks to the KiwiSDR owned by VK6QS in Collie , We...
18 May 2019

KW-46 secured traffic over 188-110A, MHFCS Exmouth

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These signals were recorded and monitored on 14462.0 KHz/USB thanks the KiwiSDRs at OI33 and OI33SA in Jakarta, Indonesia: http://pt...
23 March 2019

MHFCS FSK 600Bd/850 with KW-46 encryption

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Quite good FSK 600Bd/850 signal centered on 10405 KHz, from Australian MHFCS, heard some days ago around 1630z using iw2nke KiwiSDR (c...
20 March 2019

Australian MHFCS

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Australian Defence Force (ADF) Modernised High Frequency Communications System (MHFCS) is a managed, long-range strategic communications sys...