Dual-band 2-element Yagi antenna for SOTA/POTA, 50/144MHz, DS62
75.90 USD(tax included)
／136.62 USD (Excluding tax)
Sales unit: 1 piece
Application number: / Manufacturer: / Model number: m68723626802 / JAN code: / AS ONE / NAVIS Product number:
| Application number | |
|---|---|
| Manufacturer | |
| Model number | m68723626802 |
| JAN code | |
| Sales unit | 1 piece |
| Price | 75.90 USD (tax included) / 136.62 USD (Excluding tax) |
*Additional shipping fees will be charged for this product in Okinawa Prefecture, remote islands, some other areas, and mountain areas. Please note that we may not be able to deliver depending on the region. If we are unable to deliver your order after placing your order, Askul will contact you.
Please note the following points as this item is directly shipped.
- Additional shipping fees will be charged for this product in Okinawa Prefecture, remote islands, some other areas, and mountain areas. Please note that we may not be able to deliver depending on the region. If we are unable to deliver your order after placing your order, Askul will contact you.
- This product may not come with a delivery note issued by Askul. Customers who wish to receive a delivery note issued by Askul can print it out as a PDF file from the usage history on this site after receiving the product.
- It is not delivered in Askul cardboard or a bag.
- We cannot accept changes, cancellations, returns, or exchanges after the order has been placed due to the customer's convenience.
- If we discover after placing an order that the product cannot be delivered, we may cancel your order.
- If it becomes clear after placing your order that the item is temporarily out of stock, it will be delivered as soon as it becomes available.
This image is a representative image. Please check the specifications for details.
Stock: Slightly
Direct delivery product
Shipping charges for products from this shipping source will be borne by us.
58 USD (tax included)
/ 63.8 USD (Excluding tax)
Product details
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| Product features | Category Antenna Condition New/unused Shipping Included in price (by seller) From Kagawa |
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| Manufacturer name | - | Brand name | - |
| remarks | [About returns] We cannot accept returns due to customer's convenience. | ||
| Product details |
This is the DS62, a dual-band Yagi antenna designed to be usable on both 50MHz and 144MHz bands, based on the DS6-C, a 50MHz 2-element Yagi specifically designed for mobile operation (SOTA/POTA, etc.). We built 10 units last year, and only 3 remain. We are currently designing a 3-element option for the 430MHz band for those already using the DS62. We plan to release the DS62 with this option once it is complete, if there is demand. --------------------------------------------------------------------------------------------- While 2-element HB9CV type antennas are commercially available, they are quite troublesome to assemble. The DS-62 incorporates features that allow for immediate use after mobile setup. Assembly is quick and easy. Generally, there is a discrepancy between MMANA simulation values and actual measured directivity, which is a challenging aspect of DIY antennas. The beam pattern has been adjusted to match actual operating environments. Because it is dual-band, during mobile operation, if conditions are poor on the 50MHz band, you can change the element positions and switch to the 144MHz band. This type of dual-band antenna, with such significant shape changes, is unprecedented. When using on 144MHz, set the element spacing to the stopper positions and extend only the top two elements. The directivity characteristics in this configuration are as described in the manual. Even though it's the VHF band, 50MHz has a longer wavelength and is slightly affected by the ground depending on the height above ground. The feed point incorporates an impedance matching circuit that operates on both bands, with values chosen to be usable with typical tripods of 1m to 2m. Furthermore, it can be transported in a small case as shown in the image during mobile operation. The instruction manual is attached, so you can check the specifications. This listing is for the antenna unit only. Four 1.4m rod elements are included. (Tripod, etc. are not included. Includes U-bolts for mounting to a mast.) The image quality of the instruction manual has been improved. We brought it to the Shikoku Ham Fair, and based on questions asked there about the orientation of the BNC connector, we have added information to the manual. Click here for the manufacturer's site 
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