Showing posts with label DX. Show all posts
Showing posts with label DX. Show all posts

Tuesday, 24 January 2017

The Eton Satellit; is it any good? Moving on to ABC Northern Territories 2325 kHz...


Hi there, wonderful to copy a signal from Tennant Creek on ABC's lowest shortwave band frequency - and one for which the use of SYNC and SSB was appropriate, as a test of those functions and to maximise discernibility. The audio quality on SYNC doesn't seem as clear on the Eton as it does on the Sony ICF-2001D, but it does work, as does SSB. Having said that, a data set of one reception video using SYNC isn't statistically significant, so definitely more to come before my mind is made up. 

It's worth remembering that simply hearing ABC Northern Territories on 120 metres with this little Eton is amazing, given it's (unfair) reputation, thus I certainly wasn't expecting such great things from it! 

Recorded at the woods in Oxford UK on 22/01/17 at 18:56 hrs UTC using a 50 metre longwire. Thanks for watching.

The Eton Satellit; is it any good? Rádio Nacional de Angola 4950 kHz...wonderfully clear signal


Hi there, my clearest reception of Angola to date, using a 50 metre longwire and another vindication of this excellent portable receiver. Rádio Nacional de Angola can be a very challenging DX target, particularly at home, where more often than not, modulation is very low and thus discernible audio difficult to capture. Here on a DXpedition, the Eton really pulls in a strong signal with very clear audio and again, I wasn't anticipating such strong performance. Recorded at the woods in Oxford UK on 22/01/17 at 19:17 hrs UTC using a 50 metre longwire. Thanks for watching.

Monday, 23 January 2017

The Eton Satellit; is it any good? Let's start with ABC Northern Territories on 120 metres...


Hi there, the Eton Satellit has had mixed reviews since it's launch, with particular focus on poor SYNC audio and inferior raw sensitivity - at least when compared to it's older, bigger 'Satellit' siblings. As a result, some hobbyists and commentators have questioned whether it's even worthy of the 'Satellit' branding.

As most of you know, I own some very capable portable receivers and on the basis of what I recorded with the Eton over the weekend, in terms of raw sensitivity, this little radio might be up there with the very best portable radios ever made. Here is wonderful reception of ABC Northern Territories from Katherine on 120 metres, which tops all of my previous receptions. If the Eton can do this, then clearly it isn't suffering from intrinsic poor sensitivity and I would need convincing that a vintage Satellit would be much more capable. 

More videos to come to further demonstrate the sensitivity and various other aspects of the Eton's performance. Recorded at the woods in Oxford UK on 22/01/17 at 18:52 hrs UTC using a 50 metre longwire. Thanks for watching. PS Goodbye to ABC on shortwave, you'll be missed.

MW DX with 200 m Beverage: UNID transatlantic signal carrying US news on 1110 kHz





Hi there, another UNID signal that could be WBT from Charlotte, North Carolina (TX power 50 kW) or CBC Radio 1 from Deep River, Ontario. The latter would be a really excellent catch as their reported TX power is only 0.04 kW. Either way, this would have been another PF if an ID had been heard, but that goes with the territory! Recorded in Oxford UK on 10/10/16 at 02:00 hrs UTC using an Elad FDM DUO. Thanks for watching.

MW DX with 200 m Beverage: WTAM 1100 kHz, Cleveland, Ohio (presumed)



Hi there, although no ID is heard from this US news broadcast, WTAM is the most likely candidate with a 24/7 TX power of 50 kW on 1100 kHz. This would have been a PF if identified, so a pleasing catch nevertheless. Thanks to Matthias for his input. Recorded in Oxford UK on 10/10/16 at 02:00 hrs UTC using an Elad FDM DUO. Thanks for watching.

Sony ICF-SW77 vs ICF-SW55 vs Tecsun PL-310ET: Rádio Clube do Pará 4885 kHz, Brazil

Hi there, another station that can often be quite difficult to hear well in Europe, particularly indoors, but one which the Sonys manage to copy ok. Although clearly struggling again with this weak signal, the Tecsun PL-310ET actually produces some audio, so job well done. Recorded in Oxford UK on 29/12/16 at 22:05 hrs UTC using a Wellbrook ALA1530 active loop antenna. Thanks for watching.

 

Friday, 20 January 2017

Miniature shortwave marvel: Sony ICF-SW100, Radio Mali 9635 kHz, Bamako

Hi there, another slightly exotic catch using the diminutive (but very capable) Sony ICF-SW100 and the barbed wire fence lol. Radio Mali is extremely difficult to hear well, in fact it's difficult to catch them with any discernible audio. Here the vintage Sony manages it, with a very long rusty piece of barbed wire! Recorded in Oxford UK on 31/12/16 at 16:44 hrs UTC. Thanks for watching.


Sunday, 15 January 2017

Urban DX antenna test #4: Comparing 30 metre longwire to Boni whip on MW

Hi there, here is a comparison of the longwire and Boni whip on medium wave. Watch how the signal from CFRB Newstalk 1010 Toronto 1010 kHz is buried under noise with both, until it miraculously appears at the end of the video when the Wellbrook is connected. What can you say? In a QRM-laden environment, neither a longwire or Boni whip is going to deliver serious DX. The H field Wellbrook, however, does the business. One more video in this series to come, with an example on LW, where the situation is a little different, then on to a comparison in the field between the whip and barbed wire fence...also interesting results! Thanks for watching.


Sony ICF-SW77 vs ICF-SW55 vs Tecsun PL-310ET: Radio Aparecida 11855 kHz, Brazil

Hi there, my best reception of Radio Aparecida to-date on the ICF-SW77, although I didn't realise at the time! The ICF-SW55 also performs very well, particularly on the narrow audio bandwidth filter, however, the Tecsun (understandably) struggles with this weak signal, but I think brief audio is heard once the narrowest filter has been selected. Recorded in Oxford UK on 29/12/16 at 20:29 hrs UTC using a Wellbrook ALA1530 active loop antenna. Thanks for watching.


Friday, 13 January 2017

Medium wave DX: 1310 kHz - is this CIWW 1310 News, Ottawa, Ontario?

Hi there, this is presumed because no clear ID can be heard. Intially I thought this signal might be WLOB, but then I thought probably not and this was confirmed by Matthias as there is no mention of Fox News or their usual fanfare. With a TX power of 50 kW, CIWW is another likely candidate. If anyone can shed further light on this catch, I'd be very grateful. Recorded in Oxford UK, on 07/01/17 at 07:59 hrs using an Elad FDM DUO and Wellbrook loop (indoors). Thanks for watching.


Thursday, 12 January 2017

Sony ICF-SW77 vs ICF-SW55 vs Tecsun PL-310ET: Zanzibar BC ‎11735 kHz

Hi there, the next video in thsi series targets the signal from Zanzibar BC in the Indian Ocean. Once again, all three radios deal with this relatively strong signal well, with the Sonys sounding quite similar. The PL-310ET isn't far behind, but clearly the SNR is below that of it's more expensive counterparts. Recorded in Oxford UK on 29/12/16 at 20:25 hrs UTC using a Wellbrook ALA1530 active loop antenna. Thanks for watching.


Wednesday, 11 January 2017

Tecsun PL-310ET: a quick demo of the excellent audio bandwidth filters

Hi there, here is a quick demonstration of the really excellent audio bandwidth filter options on the modestly priced, but brilliant Tecsun PL-310ET. Whilst out on a DXpedition a couple of weeks ago and using the barbed wire fence as my antenna, I tuned to 590 kHz to check the signal from Voice of Tigray Revolution, Addis Ababa. However, all I could hear was splatter from RRI's huge signal on 5955 kHz. Here is a video with commentary explaining how I was able to copy Voice of Tigray Revolution on this budget portable, despite the horrendous adjacent channel QRM. Quite a remarkable little radio. Thanks for watching.

 

Tuesday, 10 January 2017

Bonito Boni whip versus Wellbrook ALA1530: Test #6 winner: Wellbrook

Hi there, I've taken a different approach this time - by using what is probably the strongest signal on shortwave at my QTH - CRI on 6020 kHz. With an 18 kHz audio bandwidth filter, audio fideltiy on shortwave doesn't really get much better than this. As might reasonably be expected wiht a huge signal, the difference in the performance of the two antennas based on audio fidelity at least, is much less obvious, despite the signficant drop in SNR with the Boni whip. One more reception video to come, to conclude this first series of tests. Thanks for watching.

 

Bonito Boni whip versus Wellbrook ALA1530: Test #5 winner: Wellbrook

Hi there, here is test number 5 and the first with a signal on shortwave  - Radio Habana, Cuba on 6060 kHz. I would describe the signal strength and audio fideltiy as about average with the Wellbrook ALA1530 active loop. However, switching over to the Bonito Boni whip results once again in a significant increase in the noise floor - just over 10 decibels this time, but that's still very significant and the resulting loss of signal modulation is clear to see and hear. I'm still hoping that a trip to the QRM free woods in Oxfordshire will result in a much reduced SNR performance delta between these two antennas. Thanks for watching.

 

Monday, 9 January 2017

Bonito Boni whip versus Wellbrook ALA1530: RÚV Iceland, LW Test #2 winner: Wellbrook



Another disaster for the Bonito Boni whip. Here RÚV Iceland can be clearly heard with very decent signals on 189 kHz and 207 kHz using the Wellbrook ALA1530. Switching over to the Boni whip results in no discernible audio with the disappearance of both Icelandic signals under a blanket of noise. I've never seen anything like it and I actually reverted back to the Wellbrook to confirm this was as a result of the Boni whip antenna. Terrible peformance, even worse than the previous example with Medi 1. Hopefully, the situation will improve on MW and SW. Thanks for watching.

Setting up to test the Bonito Boni-Whip against the Wellbrook ALA1530

Hi there, some of you will remember that I recently purchased a Bonito Boni-whip to use as a second antenna at home. I've read reviews that support this antenna and of course the views of just as many detractors. One user mentioned that it was performing as well as, or almost as well as his Wellbrook loop. That would be great as it cost less than half of what I paid for my ALA1530 14 months ago. I plan to test them head-to-head using the Elad SDR spectrum and record signals on LW, MW and SW. It should be an interesting test! Reception videos to come in the next couple of days. Thanks for watching.


Radio Hargeysa 7120 kHz, Somaliland, great reception...whilst my Sony continued to drown!

Hi there, possibly the best signal I've ever obtained from Radio Hargeysa. The weather was really rubbish and I was concerned that I might end up short-circuiting the Sony as it got very wet. Recorded in oxford UK on 06/01/16 at 16:51 hrs UTC using a Sony ICF-2001D receiver and 75 metre longwire antenna. Thanks for watching.


PBS Xizang 6130 kHz, Tibet, English service...whilst my Sony ICF-2001D slowly drowns!

Hi there, a nice signal from Lhasa-Baiding, Tibet, in English. I've only ever heard this station once previously, a year last december, so this was a pleasing catch.The weather wasn't great and my Sony got very wet during this short DXpedition into the Oxfordshire countryside. Never mind, it's still working and that's the main thing. Recorded on 06/01/16 at 16:47 hrs UTC using a 75 metre longwire antenna. Thanks for watching.


Sunday, 8 January 2017

MW DXing with 200 metre Beverage: CFTR Toronto News Talk 680 KHz

Hi there, this is presumed, but I think it very likely the source is indeed CTFR Toronto. I've heard them a couple of times previously, but not for more than a year, so if I'm right, this is a very pleasing catch. I've never copied anything else from the Americas on this frequency by the way. WRKO and WPTF are other potential candidates for this frequency as they are either on or relatively close to the East Coast and TX at 50 KW. Perhaps someone with better ears than me can hear a clue to the identification....too many years of listening to heavy rock for me lol. All I can hear is Donald and Hillary arguing - it was the night of the second presendential debate. Recorded in Oxford UK on 10/1016 at 02:00 hrs UTC using an Elad FDM DUO. Thanks for watching.


Saturday, 7 January 2017

Sony ICF-SW77 vs ICF-SW55 vs Tecsun PL-310ET: Zambia NBC Radio 1 5915 kHz, excellent reception

Hi there, here is another comparison of these three great portables and I have to say, all three perform very well. For me, the best audio is very close between the ICF-SW55 and ICF-SW77....I can't make my mind up lol.The Tecsun also does really well - you wouldn't necessarily expect a sub £40 radio to have the necessary selectivity in this part of the crowded 49 metre broadcast band, but it manages to detect the signal and deliver pretty good audio. A+ again from Tecsun! Recorded in Oxford UK on 19/12/16 at 18:03 hrs UTC using a Wellbrook ALA1530 active loop antenna. Thanks for watching.