Upstate NY HAM Radio News & Information: Have you tried Simplex on 2M lately?
Comprehensive CB / HAM radio frequency chart 10 and 11 meter free band | eBay
EH antenna for 40 Meter - The DXZone.com
40 Meter Band Pass Competition Filter
HF mobile antenna Portable 7 Mhz 40m Band 150W SSB | eBay
Ham Radio 20 / 40 Meter Short Coax Trap Dipole Antenna | The Wonderful World of Microcontroller!
Ham Radio Propagation
EI7GL....A diary of amateur radio activity: 40 MHz
40 meter band plan
HF Dual Band Antenna
HC49/U QRP Ham Radio Crystals Installed in Ft-243 Holders 80 & 40 Meter CW - Etsy
Graphical Frequency Allocations
Learning The HF Ham Bands: 40 Meters/7MHZ, Introduction To HF - YouTube
File:VHF Usage 40 to 100mhz.png - Wikipedia
RT20 with different source-receiver distances from 15 to 40 m, with d s... | Download Scientific Diagram
Ham Radio on your PC and Smartphone → HamSphere.com
Band Plan
40 meter High power band pass filter - 4 kW - Antennas-Amplifiers
Data from two frequency ranges within the Q-band observed with the... | Download Scientific Diagram
UK 40m Band Plan (7MHz) | Amateur Radio Bits & Pieces
TN8K Rep. of Congo on 40m FT4 Multistream | WB4SON
Amateur Radio Bands - SARCNET
W1TR 40 Meter Ground Plane
Zeppelin Antenna as a 2-Band HF Dipole
