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73, Udo

N0LSR

A person adjusting the tuning knob on a vintage ham radio transceiver. The radio features multiple digital and analog controls, a large orange display showing frequency information, and various buttons and knobs for settings.

Contact NØLSR Design

Precision‑engineered amateur radio accessories for operators who demand reliability

NØLSR Design LLC Mount Prospect, Illinois, USA

Email: udo@n0lsr.com Website: n0lsr.com

Support & Product Inquiries Whether you’re evaluating a new accessory, requesting technical guidance, or exploring custom solutions, NØLSR provides operator‑focused support grounded in engineering clarity and real‑world field experience.

Response Time: 1–2 business days

Mission NØLSR Design sells accessories that respect the operator — durable hardware, clean documentation, and performance you can trust on the air or in the field.