Many thanks to SWLing Post contributor, LondonShortwave, who shared (via Twitter) this video with recordings made with his portable SDR in a London park:
Brilliant recordings, LS, and amazingly QRM-free!
You can follow LondonShortwave on his blog and via Twitter.
Thanks Richard. The antenna was a longwire dipole – 2 x 6m length, wrapped around tree branches. The balun was a Wellbrook UMB130
Thanks. Will look into that antenna set-up myself as I have a Funcube SDR (and an Elad) besides my commercial portables and a JRC NRD-535, which I need to reactivate. And not that it matters, but which park were you in and did you get any strange looks or have a constable come up and say “Hello, hello, hello. What do we have ‘ere, then?” 😉 I walked through Hyde Park the week before last and spotted a few nice places where one could sit in the grass and DX.
— Richard
Very nice. As with my own backyard “DXpeditions”, reception on portable receivers is much improved far away from noise sources. What kind of antenna was used for these recordings?
— Richard Langley