Radio wave attenuation is caused by snow accreting on the antenna surface and the water film that forms when the snow melts. Therefore, even if the snow is melted with a snow melting heater, if a water film remains, radio wave attenuation will occur.
When painted with HIREC100, snow does not accumulate due to its Super hydrophobic properties and no water film forms, ensuring stable reception.
Fig. 1 Radio wave reception status of BS antenna (January 2nd to January 4th, 1997)
Table 1 Comparison of radio wave attenuation by antenna countermeasure
| measures | Untreated | snow melting heater | HIREC100 | HIREC100 + snow melting heater |
|---|---|---|---|---|
| radio wave attenuation | Yes | Yes | almost none | almost none |
▼ Introducing examples of snow countermeasures using Super hydrophobic sheets for antennas
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