geojson-validation npmjs.com

many validation functions, plus simple gjv command line tool

geojson-pick npmjs.com

remove all but specified properties from features in a geojson featurecollection

geojson-extent npmjs.com

compute the bounding box of geojson features

geobuf npmjs.com

convert GeoJSON to/from GeoBuf

geojson.io-for-vscode marketplace.visualstudio.com

create, edit, and preview GeoJSON data in VSCode, just like geojson.io

metro-extracts mapzen.com

regional OpenStreetMap data as GeoJSON

mapstarter mapstarter.com

helps generate svg, images, and code from GeoJSON

MapDraw mapdraw.net

web-based editor, imports & exports GeoJSON, GPX & KML, routing & elevation profiles, sharing via URL

More than you ever wanted to know about GeoJSON macwright.org

a review of the concepts behind the specification in a more narrative format.

shp2json github.com

convert shapefile zip archives to streaming GeoJSON

point-grouper github.com

group geojson points into containing polygons

whereonearth repos github.com

other features output from GeoPlanet by Aaron Straup Cope

Mystery signal from a helicopter windytan.com

The Foundation Licence wia.org.au

in Australia.

WIA wia.org.au

Silly CB Handles somethingawful.com

sdrsharp on .NET sdrsharp.com

RTL-SDR sdr.osmocom.org

is a super-cheap usb dongle, around which a thriving community has been founded.

http://rsgb.org/main/clubs-training/for-students/foundation/ rsgb.org

) in the UK.

RSGB rsgb.org

Right Channel Radios rightchannelradios.com

Good online shop for parts, radios, antennas and mounts.

Frequency Table radioreference.com

Project 25 project25.org

pervices pervices.com

makes some really high-throughput, PCIe devices for when you need to log all the traffic ever. The software and community support for this is less good, though (for which you can blame @outofculture).

Pakistan pakhams.com

first you apply for SWL (Short Wave Listener) membership and then you are eligible to apply for the HAM License.

PARS pakhams.com

CB Talk and etiquette jeepforum.com

The International Amateur Radio Union iaru.org

N0NBH's Solar-Terrestrial Data hamqsl.com

Current solar-terrestrial data, with explanation of their influence on HF propagation and propagation forecast.

Portable SDR hackaday.io

big list gnuradio.org

of all compatible hardware.

Trunked Radio wikipedia en.wikipedia.org

Slow-scan Television en.wikipedia.org

Skywave (skip) (wikipedia) en.wikipedia.org

Radio Spectrum (wikipedia) en.wikipedia.org

Radio (wikipedia) en.wikipedia.org

Project 25 wikipedia en.wikipedia.org

CB Slang (wikipedia) en.wikipedia.org

CB Slang cbslang.com

mostly humorous, but kinda helpful.

Skip cbradiomagazine.com

Japanese asteroid mission arrl.org

US arrl.org

there are three license classes—Technician, General and Extra.

ARRL arrl.org

CB FAQ advancedspecialties.net

geojson.xyz geojson.xyz

natural earth data in web-friendly sizes with hotlinking

geojson.tools geojson.tools

web-based editor from HERE XYZ

W3C: Model for Tabular Data and Metadata on the Web w3.org

In Praise of CSV usopendata.org

Waldo Jaquith.

RFC 4180 tools.ietf.org

(html version) - "Common format and MIME Type for Comma-Separated Values (CSV) Files".

So You Want To Write Your Own CSV code? thomasburette.com

Thomas Burette.