JRC RADAR Modulator NMA 195A for JMA 9100 Series – Precision Replacement by SEANAV
Marine radars are critical for vessel safety, and the JRC JMA 9100 series is trusted worldwide. A key component of this radar system is the JRC RADAR Modulator NMA 195A, responsible for controlling the radar’s pulse transmission. If this part fails, radar performance drops significantly. At SEANAV, we specialize in the supply, repair, and replacement of the NMA 195A modulator for the JMA 9100 series, ensuring optimal radar performance on every voyage.
We understand the importance of reliable radar performance, especially during night navigation or in dense traffic zones. SEANAV provides certified JRC radar service, including diagnostics and installation of genuine NMA 195A modulators. Whether you’re at port or offshore, our expert marine electronics team is ready to assist with fast, dependable support across Indian maritime routes.

Why the JRC NMA 195A Modulator Matters
- Regulates radar transmission pulse power
- Ensures proper signal timing and clarity
- Prevents signal distortion and power surges
- Works directly with JRC JMA 9100 radar control boards
- Essential for radar reliability in harsh marine environments
SEANAV – Trusted Experts in JRC Radar Repair
Our experienced technicians deliver precise replacements of radar modulators using advanced testing equipment. We also provide:
- Onboard and port-side radar diagnostics
- Genuine and OEM spare part installation
- Quick turnaround for minimized vessel downtime
- Support for all JRC radar series and variants
- Technical documentation and performance verification
All services are provided in key Indian ports including Mumbai, Chennai, Kochi, and Visakhapatnam. Whether it’s a replacement or emergency repair, SEANAV ensures smooth sailing with functional radar at all times.
Frequently Asked Questions (FAQ)
1. What is the JRC NMA 195A Modulator?
It’s a radar component responsible for controlling transmission pulses in the JMA 9100 series.
2. When should I replace the NMA 195A modulator?
When you experience weak or inconsistent radar signals, power output issues, or pulse errors.
3. Do you use original JRC parts?
Yes, we supply and install genuine JRC or certified OEM equivalents based on customer preference.
4. Can SEANAV install the NMA 195A onboard?
Yes, we provide onboard replacement services at major Indian ports and shipyards.
5. How long does the replacement take?
Usually within a few hours, depending on access and radar configuration.
6. Do you provide warranty for replaced parts?
Yes, we offer a service and parts warranty based on manufacturer or OEM terms.
7. What other components do you service?
We also handle waveguides, transceivers, scanner motors, and antenna arrays for JRC radars.
8. Is your service available 24/7?
Yes, emergency repairs and diagnostics are available on request.
9. Can you ship the NMA 195A to other locations?
Yes, we can courier the modulator to your port location with express shipping.
10. What is the cost of the JRC NMA 195A modulator?
Cost depends on availability, condition (new/refurbished), and shipping requirements. Contact us for a quote.
11. Do you support other JRC radar series?
Yes, SEANAV services all major JRC radar models including JMA 5300, 5200, and 7100 series.

Get your radar working like new again. Contact SEANAV today for professional JRC NMA 195A modulator replacement and complete radar support.