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DX Cluster

Utility related ham events + JOTA

Maritime Radio day


14 April 2018, 1200 UTC - 15 April 2018, 2200 UTC

Armed Forces Day

Armed Forces Day Crossband Communication Test: 12 May 2018


Armed Forces Day: 19 May 2018


Museum Ships Weekend


2 June 2018, 0000 UTC - 3 June 2018, 2359 UTC

Night of Nights


12 July every year

Intl. Lighthouse/Lightship Weekend


17 August 2019, 0000 UTC - 18 August 2019, 2400 UTC

International Air Ambulance Week


8-16 September 2018

Jamboree On The Air


19-21 October 2018

18-20 October 2019

16-18 October 2020

The propagation prediction above comes from N0NBH’s excellent website

HF Conditions

Digital Broadcasts on HF

Besides the well known AM broadcasts transmitted by local and international Broadcasting Companies, there are also transmissions in digital modes on MW and HF.

Many Short Wave Listeners are familiar with DRM, Digital Radio Mondiale, which never was very successfull. Only a handful of stations still transmit in DRM.    DRM schedules

The former VoA Radiogram is now transmitted under the name Shortwave Radiogram in various digital modes like MFSK, PSK, Olivia and SSTV. More info and schedules can be found on their website: Shortwave Radiogram

IBC (Italian Broadcasting Corporation) also has transmissions in MFSK-32 and Olivia.

Software to decode DRM transmissions: Dream

Software to decode the above mentioned HAM modes: Fldigi  and Multipsk