WSPRlite Flexi; 6 meters through to 630 meters!
Windows and Android configuration
Easy to use
Michael G0POT gives this thoughts on the WSPRlite Flexi
WSPRlite Flexi Propagation and Antenna Tester
All WSPRlite users gain free access to Premium features of DXplorer.net (subject to terms below)
Wondering how well your antenna works? WSPRlite with DXplorer will tell you...
The WSPRlite is a special test transmitter that sends a signal to a Worldwide network of receiving stations. When used with our web-based DXplorer system, it's a powerful new way to evaluate antenna performance. Going way beyond antenna modelling or antenna analyzers, this unique system allows you to see how your antenna is performing in its actual location and in real-time! This type of analysis has never been possible before.
- Click here for a range of handy accessories for your WSPRlite
- Click here for low pass filter options
Uses:
- antenna performance testing (great for contesters)
- compare antennas
- compare locations
- test beam antennas
- spot openings when you are out of the shack
...all in a way that has never been possible before!
WSPRlite Flexi and Classic compared at a glance:
Note: 60m now supported.
More bands...
As soon as the WSPRlite Classic was launched, people asked us for more bands. The Classic has a hardware limitation on the maximum frequency. The Flexi required significant additional development work on the hardware and firmware to add five great new bands:
17m, 15m, 12m, 10m and 6m*.
Interference Avoidance Algorithm
WSPR continues to increase in popularity. Because of this, the chance of co-channel interference has risen. The WSPRlite Flexi's Interference Avoidance Algorithm uses statistical data on the frequency distribution of WSPR transmitters to helps it to pick frequencies that are more likely to be clear. Other improvements in the Flexi means that it uses a much higher proportion of the available WSPR spectrum - again helping to reduce the chances of interference to and from other WSPR users.
User defined transmit frequency
A powerful feature of all WSPRlites is their ability to run synchronised with other WSPRlites. By analysing synchronous data the measurement performance is vastly improved compared to other comparison methods as all the data is from simultaneous transmissions. To facilitate synchronous use, Flexi users can manually enter the frequency that they wish to use for each unit. This facility is only available with the Flexi.
Increased Maximum Run-time**
WSPRlite Flexis are all soak tested in our factory to pre-age the TXCOs. They are then individually adjusted against a Rubidium standard. With these more accurate oscillators we have been able to increase the run time to 45 days. This facility is only available with the Flexi.
Low Pass Filters
The WSPRlite Flexi has no internal filtering and thus the user will need to add filtering before use. We are working on a range of options and the first is our three-band lowpass filter PCB. This is sold as a bare board allowing you to implement your own filters. We offer a range of component kits for various bands. We will be introducing some more low pass filter options early next year.
Also available from our international agent(s):
Extras
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Low pass filter kit |
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Connect your WSPRlite to your antenna with a handy adapter. SMA-SO239 (UHF socket) |
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Connect your WSPRlite to your antenna with a handy adapter. SMA-BNC socket |
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SMA leads - various options BNC, PL259 etc. |
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Micro USB lead - has data support unlike many. Guaranteed to work with WSPRlite!
WSPRlite is not supplied with a USB lead as most people have these already. |
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New to WSPRlite and DXplorer? Why not join the WSPRlite Facebook Community to see what people are doing with theirs? It's a good place to get user-community support, share tips and experience. Note that SOTABEAMS does not monitor this group; always contact us direct for support. |
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Specifications
40 x 50 x 10 mm
Beacon power: 200 mW (software configurable: 5 mW - 200 mW); 6m limited to 100mW
VSWR: better than 3:1 recommended
Maximum reverse power < 100 mW (power levels above this will damage the WSPRlite's USB chip)
Bands covered: 630-160-80-60-40-30-20-17-15-12-10-6 m
USB current: 150 mA maximum (5 Volts).
Antenna connector: SMA socket
Power connector: micro USB socket (lead not supplied)
Credits
The WSPR propagation reporter system was conceived and devised by Professor Joe Taylor K1JT
DXplorer uses data freely provided by WSPRnet.org - our thanks to them.
We also thank the hundreds of people who operate WSPR receivers around the World - you make it all possible!
Notes
Our provision of DXplorer relies on free access to data from WSPRnet.org. DXplorer.net is provided “as is”. It is not a guaranteed service. It relies on access to third-party data over which we have no control.
*6m output power 100mW
**Check local regulations regarding unattended beacons.
Config app tested on Windows 7, 8, 10 and Vista
US customers should operate in accordance with FCC Regulation Section 97.203
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DXplorer, WSPRlite and DX10 are Trademarks of ECS Ltd t/a SOTABEAMS. (C) ECS Ltd 2016. All rights reserved.
Videos Hide Videos Show Videos
20 Reviews Hide Reviews Show Reviews
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WSPRLITE FLEXI ANTENNA PERFORMANCE ANALYSIS SYSTEM
A great overall system for evaluating propagation and comparing antenna designs. The port of the setup software to the latest MacOS (Mojave) system also works a treat (see Facebook group).
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Well thought-out product and lots of fun!
The combination of the WSPRlite Flexi and Dxplorer works to enable you to evaluate your antenna systems while having lots of fun pushing the DX envelope with up to a whopping 200 mw of power! I've been spotted by stations up to 13,500 km from my NY, USA QTH. That's with a long wire and 200 mw. I can set it to transmit automatically for days and then DXplorer provides me with a list of spots in both spreadsheet and world map formats.
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WSPRLite Flexi
The Flexi is an impressive little device. I was able to install the software and get the unit programmed in about ten minutes. I connected it to my dipole in a pine tree, not expecting much DX as the power is so low and the antenna is in a valley. Within a few hours I was getting reports from Europe, all over the US and Antarctica on 40. To say that I was thrilled is an understatement. Since that time I have used two of the units on the same band to compare antennas (height wins) and on different bands to compare propagation (two antennas). I am now running the Flexi at minimum power of 5 mW to see just how far it can be heard. My record so far is 2300 km, and this from a dipole in a valley. That equates to more than 400,000 km per watt. As I get used to this little magic box, the ideas are coming fast and furious. Putting it on odd bands, like 630 and 6. Using it mobile with random wires, tweaking my antenna to maximize the distance per watt. I intend to take it to Florida where we have a restriction on antennas and simply hide it along with a wire and battery in a palm tree. Then watch how far it can go. An amazing and simple to use magic box.
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WSPRlite Flexi
Great product and works great in practice.
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WSPRLite Antenna Analyzer
Unit is very frequency accurate could be used as a freq generator if app was available. Some drift on 6M in the decode at 200mW but I know how hard this is to achieve. Would be nice to have the original 80M frequency band since this is still used. In general very pleased with their achievement with the frequency and timing accuracy
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WSPRLITE Flexi
Simple to set up and very useful for checking antenna performance; basically, does what it says on the tin.
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Amazing gadget; the power of very low power!
I was delighted since the very first moment that I set it up to work. It is very easy to set-up, run, gather data and display QSOs from all around the world. A very didactic way too to test the effectiveness of your antenna or to compare data.
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Very effective and useful tool
Recently upgraded from the WSPRlite classic and it does everything as expected on more bands. Works fine through the low pass filter kit also available through Sotabeams, and have had a couple of reports from Australia (WSPRlite in UK) using 100 mW -impressive!
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Wsprlite has potential!
Have been using Wsprlite for a few months now. Am impressed with 200mW. Great tool for refining antennas.
Unable to get drivers to work with Windows 10, had to resort to old XP device which won't work online. This means I cannot access premium mode.
Would like to register, even if I have to pay for access to premium.
Any suggestions?
[Admin: a suggestion; why not contact SOTABEAMS for help? We are here to assist you.]
