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LU1HVK > RTLSDR 20.09.19 05:20z 107 Lines 4963 Bytes #999 (0) @ WW
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Subj: SDR NEWS PROJECTS 20 09
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Title : rtl-sdr.com
Title : Reviews of the Low Cost MLA-30 Wide Band HF Magnetic
Loop Antenna
Content : Recently Chinese manufacturers have begun producing
a low cost wide band (100 kHz - 30 MHz) magnetic loop HF antenna
known as the MLA-30. The loop can be found on eBay for under US$45
with free shipping . In the past wide band HF loop antennas have
not been cheap, normally costing $300+ dollars from manufacturers
like Wellbrook.
Title : TV Scrambling With GNU Radio and a FL2K Adapter
Content : [ mrgriscomredux ] over on [ Reddit ] was interested
in re-creating the nostalgia that was scrambled analog television
from the 90s. To do this he captured an NTSC analog video signal
using an RSP1 SDR and demodulated that into composite video using
GNU Radio to process everything.
Title : SDRSharp Community Plugin Package Now Available
Content : The SDR# developer in conjunction with Rodrigo Pérez
have recently endorsed and released a "community plugin package"
over on the SDR# downloads page . This consists of a SDR# installer
that automatically downloads and installs a whole plethora of SDR#
plugins.
Title : WWV and WWVH Special Messages to Broadcast!
Content : Starting from Monday September 16th and continuing through
to October 1st, both WWV and WWVH shortwave time signal transmission
stations will broadcast a special message from the Department
of Defense to mark the centennial of WWV . These messages will be
heard on 2.5, 5, 10, and 15 MHz. In addition from September 28 to
October 2 a special WWV event will occur:
Title : Testing Version Two of the NooElec Balun One Nine
Content : Over on YouTube two reviewers have just uploaded videos
showing off version two of the NooElec Balun One Nine. Version one
of the Balun One Nine is a balun transformer that can be used with
long wire and untuned dipole HF antennas to match the impedance
with a 50 Ohm SDR. Matching the impedance results in better HF
reception and less noise. While it is a balun and hence designed
for balanced antennas like a dipole, it is possible to convert it
into an unun for long wire antennas by cutting a trace.
Title : Testing a PCB Patch Antenna and Radiosonde QFH Antenna for
Inmarsat and Iridium Reception
Content : Over on his YouTube channel Tech Minds has
been testing some antennas for Inmarsat and Iridium L-Band
satellite reception. Inmarsat is a satellite service that runs
on geostationary satellites, and one can be received from almost
anywhere in the world. There are various services, but the ones
that are easily decodable are STD-C EGC and AERO. EGC contains text
information search and rescue (SAR) and coast guard messages as
well as news, weather and incident reports, and AERO is a form
of satellite ACARS, and typically contains short messages from
aircraft.
Title : A Wall Mounted SatNOGS Ground Station Monitor
Content : If you weren't already aware, SatNOGS is an open
source project that aims to make it easy for volunteers to build
and run RF ground stations (typically based on RTL-SDR hardware)
that automatically monitor satellite data, and upload that data to
the internet for public access. This is very useful for low budget
cubesats launched by schools/small organizations that don't have
the resources for a worldwide monitoring network as data can be
collected from all over the world no matter where the satellite is.
Title : A Guide to Compiling Updated NanoVNA Firmware
Content : Thank you to Ohan Smit (ZS1SCI) for submitting his
guide that shows us how to compile the latest NanoVNA firmware from
the source code . The NanoVNA is an open source VNA project by
@edy555 and ttrftech that has recently become extremely affordable
at less than US$50 for a fully assembled unit thanks to Chinese
manufacturing (or a little more if you order it via Amazon ).
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| Saludos cordiales 73dx - Victor Hugo (LU1HVK) Leones - Cordoba - Argentina |
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| lu1hvk@qsl.net |
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