Links

LiIon batteries, solar panels, chargers – made in SoCal! https://www.bioennopower.com
Battery University
Samlex America some of the best power supplies made. Also used extensively in remote communication systems. Please check out the DC-DC inverters – great for keeping a constant 13.8 V to your HF rig no matter what the battery voltage.

Amplifiers

Solid state high power info and kits: http://www.w6pql.com

Preamps: http://www.downeastmicrowave.com/default.asp

Amplifiers, accessories, etc: https://www.helitron.de/dj0abr/index_english.html

Good solid state Amps: http://www.ab4oj.com/quadra/sshfamp.html

Antennas

6, 2, and 0.07 meter antenna comaprison: http://www.bigskyspaces.com/w7gj/6mTable.htm
Loop Fed Array (LFA) the best antenna for 6 meters

Tools

RF Calculators: https://www.pasternack.com/t-rf-microwave-calculators-and-conversions.aspx

Smith Chart: http://www.sss-mag.com/smith.html

Schematic Capture (free): https://www.digikey.com/schemeit/project/

Test and Simulate Serial Circuits: https://docklight.de/

Surface Mount

Capacitor Codes: http://www.radio-electronics.com/info/data/capacitor/capacitor-markings.php

Resistor codes: http://www.radio-electronics.com/info/data/resistor/smd_resistor/smt-resistor-markings-systems.php

Transistor and Diode Marking Codes: http://matthieu.benoit.free.fr/cross/competitive/philips/SMD-PHILIPS.pdf

Resistors: http://www.resistorguide.com/resistor-smd-code/

Suppliers

Digikey: (Fast, in MN): https://www.digikey.com

Mouser: Good for RF parts plus everything else: https://www.mouser.com

Element14: Raspberry Pi HQ: https://www.element14.com/community/welcome

http://www.goldmine-elec-products.com

Test equipment, component analyzers: https://www.peakelec.co.uk Distributor: http://www.amascott.com/index.html

https://www.vellemanstore.com/en/

https://abra-electronics.com

Feed line and connectors: https://rfconnection.com

Control head/mic cables: https://www.n2rga.com

Hotspots: https://www.ebay.com/usr/2012moon816?_trksid=p2047675.l2559

Heatsinks: Heatsinkusa.com

Metals: Onlinemetals.com

Coax, connectors, etc.: https://rfconnection.com

Antenna and outdoor mounting/enclosures: https://www.linktechs.net/productcart/pc/viewCategories.asp?idCategory=314

WSPR, FT8, WSJT-X, etc.

Wikipedia: https://en.wikipedia.org/wiki/WSJT_(amateur_radio_software)

WSPR Map: http://wsprnet.org/drupal/

WSJT-X: http://physics.princeton.edu/pulsar/K1JT/wsjtx.html

WSPR kits and phttp://www.qrp-labs.com/

http://physics.princeton.edu/pulsar/K1JT/Moonbounce_at_Arecibo.pdf

Joe Taylor: https://en.wikipedia.org/wiki/Joseph_Hooton_Taylor_Jr.

Article: http://www.g4ilo.com/wspr.html

Source code: https://sourceforge.net/projects/wsjt/

See Dimension 4 (below) for automatically setting your PC’s clock

Radio Propagation

Great site site to run V/UHF coverage plots for repeaters: https://www.ve2dbe.com/english1.html
DX Maps https://www.dxmaps.com
Solar Propagation: http://www.hamqsl.com/solar.html

Time (Useful stuff for WSJT too)

Verify computer time: https://time.is (you need it to be right!)

Time setting tool: http://www.thinkman.com/dimension4/
Calculate UTC/Time Zones: http://www.timebie.com/std/utc.php

Computers

Benchmarks: http://browser.geekbench.com

Build your own PDP-11: https://obsolescence.wixsite.com/obsolescence

Raspberry Pi Universal GPIO: http://wiringpi.com/

Simulator for PDP-11 and others: https://skn.noip.me/pdp11/pdp11.html

Audio schematics, projects, and information: https://sound-au.com

FCC

Equipment Authorization Search: https://apps.fcc.gov/oetcf/eas/reports/GenericSearch.cfm
Enter “Yaesu” for Applicant Name, select an appropriate date range, then select “Start Search”. Note that the “upper frequency” column represents the highest frequency the device can RECEIVE.

Looking for a new call sign?: http://radioqth.net/

Renew or modify your Amateur Radio license (for free): https://www.fcc.gov/wireless/bureau-divisions/mobility-division/amateur-radio-service