Kessler Engineering, LLC is able to offer repair and upgrade service for legacy AT-AUTOs originally manufactured by Palstar.
Please contact us directly, should your legacy AT-AUTO require service or upgrade.
Please do not send any products to Kessler Engineering until you have been issued a valid Return Merchandise Authorization (RMA).
The AT-AUTO employs an embedded microprocessor to precisely adjust the tuning network comprised of a split-stator capacitor and a roller inductor, arranged in a classic "T-Match" configuration. Additionally, the microprocessor is able to receive serial frequency data directly from a radio's serial data port, and the AT-AUTO is also capable of being remotely controlled via its serial data port.
- Power Rating: 1800 W PEP SSB, 1500 W CW key-down
- Frequency Range 1.8-54 MHz Continuous
- Impedance Range 15-1500 ohms
- Balanced Output 4:1 Current Balun
- Tuning Time approx. 1-30 Seconds
- Tuning Method: Microprocessor - controlled, stepper motor-driven differential T impedance matching network
- Dimensions: 12.5" Wide, 6.25" High, 17" Deep
- Weight: 17 Lbs
- Materials: 0.090" aluminum, gold iridited, powder coated
- Power Requirements: 12VDC, 3.5 A while tuning, 100mA idle
- Data I/O: RS-232 or 5 V Open-Collector NRZ (CI-V)
Optional interface cables available for Elecraft, ICOM, Kenwood, TenTec, Yaesu.
All products manufactured by Kessler Engineering, LLC are either personally built my myself (Don Kessler) or by a select member of the Kessler Engineering staff. All products are tested exclusively by me and I can assure you of the high level of component and build quality as well as strict attention to detail.
Kessler Engineering products are therefore warranted to be free from defects in material and workmanship for a period of one year from the delivery date to the customer. However, when services or upgrades are provided to legacy AT-AUTOs, this warranty shall only cover those specific items, products or services installed or upgraded by Kessler Engineering.
During this one year warranty period, Kessler Engineering, LLC shall either issue credit, repair, or replace any Kessler Engineering-manufactured product proved to be defective.
Should the original purchaser notify Kessler Engineering of the suspected product defect, Kessler Engineering will supply instructions for returning the product. If the product is indeed determined by Kessler Engineering staff to be defective, the product will be repaired, replaced or a refund provided, at the discretion of Kessler Engineering.
No products will be accepted for return unless accompanied by a Kessler Engineering-issued Return Merchandise Authorization (RMA).
This warranty shall be void if the product has been tampered with, abused, or used in an inappropriate manner, fashion, or application. Kessler Engineering, LLC is not responsible for loss or damage to any other equipment and does not make any claim or warranty of product merchantability or fitness. No one is authorized to assume any obligation or responsibility on behalf of Kessler Engineering LLC.