Tag Archives: DX

Wembley Stadium: A Superb DXing location

Oxford-Shortwave

Many thanks to SWLing Post contributor, Clint Gouveia, who writes:

As the designated driver, I found myself waiting for friends at the Beyonce concert at Wembley Stadium last Sunday [July 3rd], Not wishing to miss an opportunity and taking advantage of 8 stories of elevation (top floor of the car park!) I spent about 3 hours DXing with the legendary Panasonic RF-B65 and a Wellbrook ALA1530 active loop, running on my home-brew battery pack.

Rather counter-ituitively, I quickly discovered there was basically zero QRM and recorded wonderful signals from Zanzibar BC, Radio Bangladesh Betar and Radio Oromiya. Links to the reception videos on my youtube channel ‘Oxford Shortwave Log’ follow below. I thought readers of your excellent website/blog might be interested to learn that sometimes the most unlikely of places can provide just about optimum conditions for DX! There are more reception videos for this particular session to upload,including Radio Fana, Voice of Tigray Revolution and Radio CANDIP.

73!

Reception Videos

Video 1: Zanzibar BC 11735 kHz, best ever reception

Video 2: Bangladesh Betar 13580 kHz, wonderful reception

Video 3: Radio Oromiya 6030 kHz, Ethiopia, best reception to-date

Wow! What amazing reception, Clint!  I would have never guessed that a car park next to the largest stadium in the UK would offer up such excellent listening conditions. Honestly–that Bangladesh Betar broadcast sounds like a local station.

You also have a great receiver there in the Panasonic RF-B65. If memory serves, the RF-B65 is also a favorite of SWLing Post contributor/DXer, Dan Robinson.

Post readers: Follow Clint’s many DX catches on his YouTube channel: Oxford Shortwave Log.

Thanks again for sharing, Clint, and reminding us that DXing locations aren’t always remote and exotic.

Norway DXer tunes into CBC Saskatchewan

SX-99-Dial-Nar

Many thanks to my pal, Sheldon Harvey (of the International Radio Report and CIDX), for sharing this news item from the CBC News in Saskatchewan:

Ole Forr is a 58-year-old radio lover who tunes into radio stations across the world for fun

A dairy farmer in Norway went to great lengths to tune into CBC Saskatchewan.

Sure, The Morning Edition with Sheila Coles is the No. 1 morning radio show in Saskatchewan. But few people could have expected it to reach a group of listeners more than 5,800 kilometres away— and not through the internet.

Ole Forr doesn’t let thousands of kilometres and the Atlantic Ocean get in the way of his hobby.

[…]Every late October, Forr and three friends visit a remote location in northern Norway, where he said they spend up to two weeks listening to radio broadcasts using some very long-range receiving antennas.

On Oct. 27, 2015, Forr tuned into CBK 540 AM from Andøya, Norway.

“It’s very remote, so there is no man-made noise,” Forr said. “From October to March, it’s very dark up there so to have dark between the transmitter and the receiver.”

Forr contacted CBC Saskatchewan to verify his recording, providing MP3 evidence of the broadcast.[…]

Read the full article, along with audio, on the CBC News Saskatchewan website.

Thanks again, Sheldon! I love stories like this that give our radio hobby a little time in the limelight!

Bill solves the CRI echo mystery

Earth

A few days ago, I posted an article about Bill Meara (producer of the SolderSmoke Podcast) who was hearing audio echoes on his home brew regenerative receiver.

Bill has now solved this mystery (hint: it’s all about the receiver):
http://soldersmoke.blogspot.com/2014/09/radio-china-international-echo-mystery.html

Hearing echoes on China Radio International

Earth

Bill Meara, producer of the popular SolderSmoke Podcast, recently recorded audio echoes on a couple of his home brew regenerative receivers.  Bill posted the following video, of his regen receiver tuned to China Radio International:

After Bill measured the echo delay at .133 seconds, he believes one possibility is that they originate from a propagation opening much like Lyle recorded on a 10 meter band opening last year (click here to listen to the audio and read the post).

A few days later, Bill recorded a similar echo effect while tuned to Brother Stair (Overcomer Ministries) on a different regenerative receiver. Click here to read the post and view the video.

The fact that Bill measured a .133 second delay (the amount of time it would take for a signal to circle the globe), makes me believe he’s hearing an echo similar to Lyle. But I must admit, I’m a bit amazed that a faint AM echo could penetrate blowtorch signals like CRI and Brother Stair’s relay generate State side.

Readers: What’s going on here? Is Bill catching rare propagation openings–or perhaps ducting in the Earth’s magnetosphere and ionosphere–or is there another explanation?

Hearing the speed of light: DX double echo

ionosphere-earth-radio-wavesTwo weeks ago, at the W4DXCC conference in Tennessee, I met Lyle Juroff (K9FIK). Not only did I find that Lyle and I had many radio interests in common, but he also told me a story about hearing, recording and analyzing a double echo on the HF bands. I asked if he would explain in an email and include the recording so that I could share it on the SWLing Post. He kindly agreed!

Lyle writes:

I worked a DX station [9A1A] on 10 meters this past spring.  As the band improved, I heard an echo develop on his signal and guessed it might be long path so I began recording the audio.   I then began to hear a double echo and looked at the waveform on AUDACITY.  The timing marks on AUDACITY indicated 140 milliseconds between echos.

I went to Wolfram Alfa, one of my go-to sights for things I can’t remember, and looked up the earth circumference.  It not only gave me the distance but also the time to travel it at the speed of light,  133 milliseconds.   Not sure if everyone working DX has heard this sort of thing, I played the recording at the next East Tennessee  DX Association meeting.  Nobody said they had heard that kind of double echo.

Click here to download an mp3 of Lyle’s recording or simply listen via the embedded player below (note that the second recording is .WAV format):

Have you heard a double echo this profound? Please comment.

Many thanks to Lyle (K9FIK) for sharing his story!