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If you don't need the web interface and your usual desktop SDR software supports rtl-sdr tcp mode, you can easily set up a small board that calls rtl-sdr with the appropriate parameters so that it will wait for a remote connection from the above software, not unlike what happens with WebSDR, but you would be using your usual desktop SDR application which would be native and much more snappy than a web browser. ... - Source: Hacker News / 8 months ago
GQRX works pretty well for me. There is also CubicSDR and SDRAngel afaik - you might just want to play around with them and see which you are most comfortable with. Source: 12 months ago
For most signals (including analog AM and FM modes) you can use a laptop with an RTL-SDR USB dongle (fairly cheap), or another SDR, and a reasonably tuned antenna. Various RTL-SDR models can tune from around 500 kHz up to 1.75 GHz with 3 mhz of bandwdith, and works with free software like SDR# for Windows and GQRX for Linux. It works with lots of other software, too, for ham modes, digital modes, etc. Source: over 1 year ago
Some of the Crossfire modules have a rudimentary spectrum analyzer function on them that might help you identify if there are other devices operating in the 900MHz band around that area, but I'm not sure the nano TX is one of them. I have a couple RTL-SDR dongles or equivalent I'd use with GQRX as a cheap spectrum analyzer if possible. Source: over 1 year ago
Yes, a dongle from https://www.rtl-sdr.com/ Then I use gqrx to record the signal. https://gqrx.dk/ and SOX to downsample it https://sox.sourceforge.net/ Then pass it through wxtoimg to get the picture https://www.wraase.de/wxtoimg/. Source: almost 2 years ago
IF they have an iPhone, they can scan their handwriting via notes > camera > scan document. Maybe using Yousign.com or pandadoc.com could help? Source: almost 2 years ago
I own a start-up in India and we sign NDA and Service Level agreements (physical copies) over courier. I'm looking for digital signature service with leegality.com, signdesk.com, eversign.com, pandadoc.com & DocuSign.com and found the conventional way of signing the agreement is of the following. Source: almost 2 years ago
If you start an LLC, you're going to be applying for an EIN anyway. You'll definitely need an accountant. Probably could find lots of templates and documents online for free (lawdepot.com, pandadoc.com, eforms.com, docracy.com, usefyi.com) And yes your crew would probably be 1099. Source: almost 3 years ago
CubicSDR - CubicSDR is a cross-platform Software-Defined Radio application which allows you to navigate the...
DocuSign - Try DocuSign's interactive signing demo now! Send yourself an electronic document to digitally sign using our e-signature service.
GNU Radio - GNU Radio is a free & open-source software development toolkit that provides signal processing blocks to implement software radios.
Qwilr - Turn your quotes, proposals and presentations into interactive and mobile-friendly webpages that...
SDRangel - SDRangel is an Open Source Qt5 / OpenGL 3.
Proposify - A simpler way to deliver winning proposals to clients.