UDXF Info  Recordings Pictures Links About

Utility related ham events + JOTA


Armed Forces Day

Armed Forces Day Crossband Communication Test:  

https://www.dodmars.org/mars-comex-information-website/armed-forces-day

14 May 2022


Museum Ships Weekend

https://www.nj2bb.org/museum/

4 June 2022, 0000 UTC to 5 June, 2359 UTC


Night of Nights

http://www.radiomarine.org/

12 July every year. Begins at 0300pm Pacific time on 12 July.  The first transmission will be at 0501pm Pacific time (0000 UTC 13 July).


Intl. Lighthouse/Lightship Weekend

https://illw.net/

20 August 2022, 0000 UTC - 21 August, 2400 UTC


Jamboree On The Air

http://jotajoti.info/


World Amateur Radio Day

18 April every year

DX Cluster

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. Schedules can be found on the following websites HFCC, DRM Project, DRM.org


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

website: Shortwave Radiogram



Decoders

Software to decode DRM transmissions: Dream. Many Kiwi web sdrs and some sdr interfaces can also decode the signal.


Software to decode the above mentioned HAM modes:

Fldigi , Multipsk, HAM radio deluxe

Fldigi for Android: TIVAR



Further info

How to copy the Shortwave Radiogram digital broadcasts using a PC or laptop

https://wiki.radioreference.com/index.php/Decoding_the_SW_Radiogram_Broadcasts


How to copy the Shortwave Radiogram tests using an Android device (tablet, smartphone)

https://wiki.radioreference.com/index.php/Decoding_the_SW_Radiogram_Broadcasts_with_TIVAR