https://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Bird_43_Watt_Meter&action=history&feed=atom&&feed=atom&Equipment/Bird 43 Watt Meter - Revision history2024-03-28T17:48:51ZRevision history for this page on the wikiMediaWiki 1.35.5https://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Bird_43_Watt_Meter&diff=52752&oldid=prevMarrold at 23:44, 21 March 20192019-03-21T23:44:49Z<p></p>
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</table>Marroldhttps://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Bird_43_Watt_Meter&diff=51769&oldid=prevMarrold at 22:03, 5 August 20182018-08-05T22:03:35Z<p></p>
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</table>Marroldhttps://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Bird_43_Watt_Meter&diff=51768&oldid=prevMarrold at 22:03, 5 August 20182018-08-05T22:03:11Z<p></p>
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</table>Marroldhttps://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Bird_43_Watt_Meter&diff=51766&oldid=prevMarrold: Marrold moved page Bird 43 Watt Meter to Equipment/Bird 43 Watt Meter2018-08-05T22:02:16Z<p>Marrold moved page <a href="/view/Bird_43_Watt_Meter" class="mw-redirect" title="Bird 43 Watt Meter">Bird 43 Watt Meter</a> to <a href="/view/Equipment/Bird_43_Watt_Meter" title="Equipment/Bird 43 Watt Meter">Equipment/Bird 43 Watt Meter</a></p>
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<td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:02, 5 August 2018</td>
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</td></tr></table>Marroldhttps://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Bird_43_Watt_Meter&diff=51765&oldid=prevMarrold: Created page with "{{EquipmentInfobox |name=Bird 43 Watt Meter <!-- Name of the item. --> |image=Bird_43_wattmeter.jpg <!-- Image of the item. Leave with placeholder image if none exists. --> |m..."2018-08-05T21:58:27Z<p>Created page with "{{EquipmentInfobox |name=Bird 43 Watt Meter <!-- Name of the item. --> |image=Bird_43_wattmeter.jpg <!-- Image of the item. Leave with placeholder image if none exists. --> |m..."</p>
<p><b>New page</b></p><div>{{EquipmentInfobox<br />
|name=Bird 43 Watt Meter <!-- Name of the item. --><br />
|image=Bird_43_wattmeter.jpg <!-- Image of the item. Leave with placeholder image if none exists. --><br />
|model=43 <!-- Model --><br />
|category=Equipment <!-- Main category. Please leave alone to keep item in this category --><br />
|subcat=Fabrication<!-- Sub-category if one exists. Please check main listing to see other categories contained within the main one --><br />
|status=Good working order<br />
|consumables=None<!-- Any items used up in normal operation, such as; ink, paper, saw-blades, cutting disks, oil, etc.. --><br />
|accessories=Inserts (Slugs)<!-- Any items associated with the equipment but not consumable, such as; drill bits, safety gloves, goggles, etc.. --><br />
|reqtraining=Yes<br />
|trainlink=Must be hold an Amateur Radio license or be otherwise be proficient with RF<!-- If training is required, provide a link to training signup or contact page. Otherwise leave blank. --><br />
|acnode=no<br />
|owner=Radio Club<!-- Provide a link to owners members page if other than LHS --><br />
|origin=Donation<!-- If via pledge, please link to the completed pledge page on the wiki --><br />
|location=<!-- Floor, room/zone and location within that area --><br />
|maintainers=Radio Club <!-- NO LINKS PLEASE; it currently breaks the template. If someone is nominated as managing the upkeep of this item, please list them here. --><br />
|template_ver=1.1 <!-- Please do not change. Used for tracking out-of-date templates --><br />
}}<br />
<br />
==Info==<br />
<br />
This item was kindly donated to the club by another radio Amateur.<br />
<br />
=Accessories= <br />
<br />
We have the following accessories for use with the Bird Watt Meter:<br />
<br />
===Inserts===<br />
<br />
Inserts or "slugs" are inserted into the hole in the front of the meter. A signal is then passed through the meter via the two N-Type connectors. The source of the signal should be connected to the left hand connector, and the right hand connector ''must'' be attached to a suitable dummy load or antenna. In normal operation (Forward Power) the arrow on the insert should face to the right, however its possible to twist the insert so the arrow is facing to the left to measure reflected power. SWR can then be calculated from the two values if required. <br />
<br />
You should always use the appropriate insert for the power and frequency you are using. If you are unsure on the power output, start with the highest rated insert for the frequency and then switch to a more appropriate value.<br />
<br />
{| class="wikitable"<br />
! Model Number<br />
! Frequency<br />
! Power Rating<br />
! Usage<br />
|-<br />
| 5C<br />
| 100 - 250 Mhz<br />
| 5W<br />
| Measuring VHF signals up to 5W<br />
|-<br />
| 100C<br />
| 100 - 250 Mhz<br />
| 100W<br />
| Measuring VHF signals up to 100W<br />
|-<br />
| 10D<br />
| 200 - 500 Mhz<br />
| 10W<br />
| Measuring VHF/UHF signals up to 10W<br />
|-<br />
| 100H<br />
| 2-30 Mhz<br />
| 100W<br />
| Measuring HF signals up to 100W<br />
|-<br />
| 250H<br />
| 2-30 Mhz<br />
| 250W<br />
| Measuring HF signals up to 250W<br />
|}<br />
<br />
===Signal Samplers===<br />
<br />
The adjustable signal samplers allow you to tap into an RF signal allowing you to analyse the signal whilst operating. The attenuation of the sample signal can be adjusted. <br />
<br />
{| class="wikitable"<br />
! Model Number<br />
! Frequency<br />
! Power Rating<br />
! Attenuation<br />
! Usage<br />
|-<br />
| 4275<br />
| 20 - 1000 Mhz<br />
| 1000 W<br />
| 35 to 80 dB<br />
| Tapping into VHF/UHF signals up to 1000 W<br />
|-<br />
| 4273<br />
| 1.5 - 35 Mhz<br />
| 5000 W<br />
| -40 to 70 dB<br />
| Tapping into HF signals up to 5000 W<br />
|}</div>Marrold