Up to date and interesting web sites.
- Han Summers – Radio, Electronics and Computing Projects by Hans Summers
- QRPer.com – QRP radios, product announcements, reviews, news and more. Low power amateur radio fun!
- Raleigh Amateur Radio Society – Raleigh NC Club
- TARPN – Terrestrial Amateur Radio Packet Network
packet radio networking - Vienna Wireless Society – Northern Virginia Club
- K6JCA – Interesting design and general topics
- N6QW.blogspot.com, N6QW.com, and jessystems.com – Pete Juliano, Builder Extraordinaire
Online Sales
- adafruit
- All Electronics
- Amateur Radio Supplies
- CheapHam.com
- Digi-Key
- DX Engineering
- Electronic Goldmine – Used to be Gold Mine parts
- Etsy (Ham Radio Parts)
- Futurlec
- GigaParts
- Ham Radio Outlet
- J-Tron, LLC
- Jameco
- Mouser Electronics
- R & L Electronics
- sparkfun
- Surplus Sales of Nebraska
Contesting
- N1MM+ Logging Software
- WA7BNM Contest Calendar – You can find contests and rules.
CW Specific
- Learn CW Online (LCWO)
- Long Island CW Club
- The Art & Skill of Radio-Telegraphy – Online book about how to learn CW and its history.
- W1WC CW Communcation
Off the Beaten Trail
- ODP section on Radio Amateurs – Check out the Homebrew section. Interesting but odd collection. There are lots of sites with tube projects and many schematics from the 1970’s that haven’t been touched in years. If I find any really interesting homebrew ones, I’ll try to link them below.
- Andrew Holme
- M1HOG
- Humor
- S56AL – Transceiver projects
- Archive.org filtered for Amateur Radio
Companies
Calculators
- VK3CPU Toroid Calculator – Calculates turns from parameters and also give wire lengths.
- VK3CPU Transformer Calculator – Under development (Dec 2024)
- M0UKD dBm, dBW, uW, mW, Watt, KW Conversions
- M0UKD PI Attenuator Calculator
- M0UKD T Attenuator Calculator
- M0UKD Air Core Inductor Calculator
- Dipole Calculator (16 – 12 AWG, Larger wire for wider bandwidth)