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558: Difference between revisions
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(Created page with "Type '''558 Amateur-Band Wavemeter'''. ==Specifications== ==Links== ==Photos== <gallery> </gallery> Category:Frequency Standards and Meters") |
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{{GR Product | |||
|model=558 | |||
|class=frequency standards and meters | |||
|summary=wavemeter | |||
|image=GR 558 Case Open A.jpg | |||
|caption=General Radio 558 Amateur Band Frequency Meter | |||
|series= | |||
|introduced=1928 | |||
|discontinued=1929 | |||
|designers= | |||
|manuals= | |||
* [[Media:GR 558 Wavemeter 500-11-15-28.pdf|558 Instruction Card 500-11-15-28]] | |||
{{Catalog History}} | |||
* [[Media:GRwiki Bulletin 930 OCR Apparatus 1928.pdf|Bulletin 930 (1928)]], p.9375 | |||
* [[Media:GRwiki Catalog E1 OCR 1928.pdf|E1 (1928)]], p.79 | |||
* [[Media:GRwiki Catalog E2 OCR 1928.pdf|E2 (1928)]], p.79 | |||
}} | |||
The '''General Radio 558 Amateur Band Frequency Meter''' was introduced in 1928 Bulletin 930, E1 and E2 only. | |||
==Specifications== | ==Specifications== | ||
* '''Frequency Range:''' 3.5 to 4.0 MHz, 7.0 to 8.0 MHz, 14.0 to 16.0 MHz, 28 to 32 MHZ, 56 to 51 MHz | |||
* '''Frequency Calibration Accuracy:''' 0.25% | |||
==Links== | ==Links== | ||
* [[Media:GR Exp 558 03_1928.pdf|Experimenter describing Type 558 March 1928]] | |||
* [[Media:GR Exp 558 03_1929.pdf|Experimenter describing Type 558 March 1929]] | |||
==Photos== | ==Photos== | ||
<gallery> | <gallery> | ||
GR 558 Case Open A.jpg | |||
GR 558 Case.jpg | |||
GR 558 Case Open.jpg | |||
GR 558 Calibration Chart.jpg | |||
GR 558 Calibration Chart.png | |||
GR 558.jpg | |||
GR 558 Coil Set.jpg | |||
GR 558 Tuning Unit.jpg | |||
GR 558 Tuning Unit Open.jpg | |||
GR 558 Tuning Unit Close-up.jpg | |||
GR 558 Tuning Unit Close-up A.jpg | |||
</gallery> | </gallery> | ||
[[Category:Frequency Standards and Meters]] | [[Category:Frequency Standards and Meters]] | ||