Relative directivity factor

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Relative directivity factor (RDF) is a figure of merit for radio receiving antennas.^[1] It is the antenna gain in the forward direction divided by the gain in all other directions. It is also called the signal to noise improvement factor (SNIF).^[2]

References

^ Lee Strahan. "Low Band Receiving Antenna Comparisons". Retrieved 16 February 2018.
- Rudy Severns (2016-12-20). "Comments on the WD8DSB Terminated Bow-Tie RX Antenna". Retrieved 16 February 2018.
^ Lee Strahan. "Receiving Antenna Comparison Chart". Culver, OR: Hi-Z Antennas. Retrieved 16 February 2018.

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[1] Lee Strahan. "Low Band Receiving Antenna Comparisons". Retrieved 16 February 2018.
- Rudy Severns (2016-12-20). "Comments on the WD8DSB Terminated Bow-Tie RX Antenna". Retrieved 16 February 2018.

[2] Lee Strahan. "Receiving Antenna Comparison Chart". Culver, OR: Hi-Z Antennas. Retrieved 16 February 2018.

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