Russ Edmunds' Mediumwave DX Airchecks: 1968-1978

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Many thanks to SRAA contributor, Russ Edmunds, who has kindly shared another collection of mediumwave airchecks (click here to check out all of his contributions).

Russ notes that the reception location was Parsippany, NJ (in a garden apartment) using a Hammarlund modified HQ-150 and a 4' air core amplified loop.

Russ also shares details about each recording in the following table. All recordings have been embedded below:

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Russ Edmunds’ Mediumwave Airchecks: 1969 - 1978

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Many thanks to SRAA contributor, Russ Edmunds (WB2BJH), for sharing this collection of mediumwave airchecks dating from 1969 to 1978. (Click here to check out all of Russ’ contributions.)

If you’ve subscribed to the SRAA podcast, you might only automatically download the first of these recordings. I would encourage you to view and listen to all 29 recordings on this dedicated Shortwave Radio Audio Archive post.

Click here to download a spreadsheet with full details of each clip.

CKCM Grand Falls, Newfoundland: Oct 1, 1976

Many thanks to SRAA contributor, Ray Robinson, who shares this mediumwave recording of a station ID and notes:

"This was my first ever transatlantic DX catch of a North American station, while I was living in England. I was so excited! The radio bug truly bit me, and I have been an avid radio enthusiast ever since!"

Broadcaster: CKCM, Grand Falls, Newfoundland

Date of recording: 10/1/1976

Starting time: 0156 UTC (2326 local Newfoundland time)

Frequency: 620 kHz

Received in Luton, England, using a Russian Vega 206, medium wave loop

RTL 1440 kHz Final Sign-on: December 31, 2015

Live off-air recording of the final sign-on and first three hours of legendary broadcaster RTL (formerly Radio Luxembourg) on 31 December 2015 beginning at 03:55:44 UTC on the medium-wave frequency of 1440 kHz from Marnach, Luxembourg. The transmitter switched off at 22:59 UTC on 31 December 2015, coincident with many medium-wave transmitters in France and Germany permanently switching off on New Year's Eve or early on New Year's Day.

The transmission begins with the carillon interval signal, followed by the programming of Deutschlands Hit-Radio. Between about 04:30 and 05:00 UTC, there is religious programming from Radio Freundes-Dienst. The recording ends at about 07:00 just as the program from China Radio International (in German) begins. 

The broadcast was received by the Web-interface wideband software-defined radio at the University of Twente in Enschede, The Netherlands, with a "Mini-Whip" antenna in AM mode with 8.09 kHz RF filtering.