Charts & Graphs

The Charts & Graphs section of the DX Ham Radio Supply Elmer Reference Library provides quick visual guides, data comparisons, and printable resources for amateur radio operators. Each chart and diagram is designed to help you understand key station components — from coax loss and grounding to antenna design and rope performance.

Available Reference Charts

• ✅ Coax Loss Comparison Chart — View attenuation values for RG-58, RG-213, LMR-240/400, DRF-240/400, and Bury-FLEX® cables.
• ✅ Dipole Antenna Length Chart — Calculate half-wave and quarter-wave antenna lengths for HF and VHF bands.
• ✅ License Class Privileges Chart — Understand what each license class (Technician, General, Extra) can transmit on.
• ✅ Amateur Radio Band Chart — See complete U.S. amateur radio frequency allocations and operating modes.
• ✅ Grounding Layout Diagram — Learn safe grounding practices and how to design your station ground system.
• ✅ Rope & Support Load Chart — Compare strength and stretch characteristics for Mega-Guy and other support ropes.

Each file opens as a printable PDF for quick reference or download. Keep these visual resources handy in your shack, and explore how proper materials, installation, and design make for stronger, safer, and better-performing amateur radio systems.