Antennas

1. Common Antenna Problems
2. Dipoles-Horizontal
3. OCF Dipoles
4. W3DZZ MULTI-BAND ANTENNA 80-40-20-15-10M
5. Loops
6. Beverage Antenna (Receive Only)
7. My Antenna Projects
8. Professional Antennas
9. Passive Intermodulation (PIM)
10. Satinless Steel vs. Copper and Aluminium
11. Mobile Antennas
12. References

1. Delta Loop Antenna

Common Antenna Problems

Dipoles-Horizontal

OCF Dipoles

W3DZZ MULTI-BAND ANTENNA 80-40-20-15-10M

Loops

Beverage Antenna (Receive Only)

My Antenna Projects

Professional Antennas

Passive Intermodulation (PIM)

PIM is a form of intermodulation distortion that occurs in components normally thought of as linear, such as cables, connectors and antennas. PIM shows up as a set of unwanted signals created by the mixing of two or more strong RF signals in a nonlinear device, such as a loose or corroded connector, or nearby rust. Other names for PIM include the diode effect and the rusty bolt effect.
Source:https://www.anritsu.com/en-US/test-measurement/technologies/pim

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Satinless Steel vs. Copper and Aluminium