File:Bowtie UHF TV antenna 1954.png
Summary
The Channel Master "Multibow" model 410, a reflective array or "bowtie" <a href="https://en.wikipedia.org/wiki/Ultrahigh_frequency" class="extiw" title="w:Ultrahigh frequency">UHF</a> <a href="https://en.wikipedia.org/wiki/television_antenna" class="extiw" title="w:television antenna">television antenna</a> from 1954. It was used for reception of the analog UHF TV channels from 470 to 890 MHz. It consists of four "bow tie" triangular <a href="https://en.wikipedia.org/wiki/dipole_antenna" class="extiw" title="w:dipole antenna">half wave-dipole</a> <a href="https://en.wikipedia.org/wiki/driven_element" class="extiw" title="w:driven element">driven elements</a> fed in phase, in front of a flat metal grill reflector. The triangular shape of the dipoles broadened their <a href="https://en.wikipedia.org/wiki/bandwidth_(signal_processing)" class="extiw" title="w:bandwidth (signal processing)">bandwidth</a>, allowing it to cover the whole UHF band. The 4 vertical stacked elements narrow the beam pattern in the vertical direction, giving additional rejection of ground noise. The antenna sold for $11.11.
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 06:13, 6 January 2017 | | 256 × 461 (7 KB) | 127.0.0.1 (talk) | The Channel Master "Multibow" model 410, a reflective array or "bowtie" <a href="https://en.wikipedia.org/wiki/Ultrahigh_frequency" class="extiw" title="w:Ultrahigh frequency">UHF</a> <a href="https://en.wikipedia.org/wiki/television_antenna" class="extiw" title="w:television antenna">television antenna</a> from 1954. It was used for reception of the analog UHF TV channels from 470 to 890 MHz. It consists of four "bow tie" triangular <a href="https://en.wikipedia.org/wiki/dipole_antenna" class="extiw" title="w:dipole antenna">half wave-dipole</a> <a href="https://en.wikipedia.org/wiki/driven_element" class="extiw" title="w:driven element">driven elements</a> fed in phase, in front of a flat metal grill reflector. The triangular shape of the dipoles broadened their <a href="https://en.wikipedia.org/wiki/bandwidth_(signal_processing)" class="extiw" title="w:bandwidth (signal processing)">bandwidth</a>, allowing it to cover the whole UHF band. The 4 vertical stacked elements narrow the beam pattern in the vertical direction, giving additional rejection of ground noise. The antenna sold for $11.11. |
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