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Please Support RF Cafe by purchasing my  ridiculously low−priced products, all of which I created.

RF Cascade Workbook for Excel

RF & Electronics Symbols for Visio

RF & Electronics Symbols for Office

RF & Electronics Stencils for Visio

RF Workbench

T-Shirts, Mugs, Cups, Ball Caps, Mouse Pads

These Are Available for Free

Espresso Engineering Workbook™

Smith Chart™ for Excel

RF Cafe Advertiser - SecondHandRadio.com

As with most venues provided to the public at no direct charge, RF Cafe relies on the generosity of independent advertisers to underwrite the production costs of the endeavor. It is with the greatest sincerity that I thank the companies who have chosen to support RF Cafe.

Of course, without visitors (you) - both regularly returning and new arrivals - there would be no incentive for companies to spend their hard-earned money on advertising. My job is to see to it that advertisers and visitors always have a reason to maintain a presence on the website.

If the occasion arises where you can use the products and/or services of the good companies that advertise on RF Cafe, I would appreciate your visiting their websites or call their offices at the beginning of your search.

Here is a complete list of RF Cafe advertisers.


Company:Highlighted Ad
SecondHandRadio.com
USA

no fees ~ no commissions ~ it's free !
www.SecondHandRadio.com
If it's electronic or electrical - find it here or sell it here
SecondHandRadio.com lets you sell your used and surplus electronics the old fashion way. You communicate directly with the prospective buyer/seller throughout the entire transaction.
Trade used transmitters, sell vintage receivers, advertise your antennas; it is all up to you.
 • Buy & Sell for FREE !
  • No Commissions
   • No Listing Fees
    • No Final Value Fees
     • No Photo Hosting Fees
      • Dealers Welcome
       • Ads Will Appear Immediately
Ads must be related to radio, television,
audio, lasers, hobbyist electronics, etc.
How do I get paid? That is entirely up to you. Let people know right off if you will not accept personal checks or if you do accept PayPal or credit cards. In all cases, SecondHandRadio.com will not get involved in the transaction.

 RF Cafe Page Placements
Highlighted Ad & Logo:
Logo Only (page sponsor):
Engineering Crossword Puzzle Appearances
SecondHandRadio.comSecondHandRadio.comSell your surplus & used electronics gear the old fashion way. Communicate directly with the prospective buyer/seller. Trade used transmitters, sell vintage receivers, advertise your antennas; it is all up to you.

About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024

Webmaster:

    Kirt Blattenberger,

    BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

Copyright  1996 - 2026

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

My Hobby Website: AirplanesAndRockets.com

My Daughter's Website: EquineKingdom