Aeromarine SRT

Aeromarine SRT Aeromarine SRT is a manufacturer of a range of professional equipment for GMDSS radio surveys. Expert in Cospas-Sarsat solutions. PCB engineering and RF design.

OEM production. Management company for Musson Marine Ltd.

Every marine radio surveyor and service engineer working with GMDSS radio stations and AIS transponders eventually faces...
11/06/2026

Every marine radio surveyor and service engineer working with GMDSS radio stations and AIS transponders eventually faces this choice: test through the antenna as a live radiating system, or connect the test instrument directly to the equipment's RF port via cable?

The answer depends on what needs to be verified — and not every method is capable of verifying what it appears to. For a surveyor, this means choosing a method that produces calibrated, documentable results. For a service engineer commissioning a new installation, it means confirming that the equipment and antenna system are working correctly together before the vessel enters service.

Any GMDSS or AIS installation consists of two distinct parts that can degrade independently:
🔸 The equipment itself — the radio or transponder, its transmitter, receiver, DSC controller, and AIS processor
🔸 The antenna system — feeder cable, connectors, splitters, grounding, and the antenna element

A method that evaluates one does not necessarily evaluate the other. This is where many surveys — and post-installation checks — despite appearing complete, leave critical gaps.

The full picture is in our latest article: https://gmdsstesters.com/radio-survey/general/antenna-or-cable-testing-gmdss-radio-stations-and-ais-transponders.html

From time to time, we receive test equipment for calibration or repair that was packed without enough protection for tra...
04/06/2026

From time to time, we receive test equipment for calibration or repair that was packed without enough protection for transportation. Unfortunately, even a small oversight can lead to serious damage during shipping.

For example, we once received a tester sent in for routine calibration. It was bundled together with a heavy metal attenuator in a thin layer of plastic wrap, with no padding inside the box. The attenuator moved around, damaged the tester's display, and crushed the batteries — causing them to leak and corrode the internal components. The tester could not be repaired and had to be replaced.

For our shipping and service team, situations like this are always difficult to see — especially when the device originally arrived in good working condition and only needed calibration...

A few things that make a real difference:
🔸Wrap the tester in bubble wrap or other cushioning material
🔸Pack heavy accessories such as attenuators separately from the instrument
🔸Fill empty space with foam or packing material so nothing can shift inside the box

If you still have the original carrying case, it is usually the safest option — it was designed to keep the instrument secure during transport.

19/05/2026

Firmware update? Now straight from the software, no assistance needed. Available for our PRO series testers

Every extra kilogram matters on board. That's why our GMDSS multi testers are built compact and truly portable — full fu...
12/05/2026

Every extra kilogram matters on board. That's why our GMDSS multi testers are built compact and truly portable — full functionality, minimal weight.

Every Aeromarine SRT PRO series tester comes with this keychain. NO SIGNAL LEFT UNTESTED means full coverage for your GM...
07/05/2026

Every Aeromarine SRT PRO series tester comes with this keychain.
NO SIGNAL LEFT UNTESTED means full coverage for your GMDSS and AIS surveys on SOLAS vessels, with second-generation beacon support already built in.

Ready now. Still ready later 👌

🚢 The maritime professionals remembered by the right people aren’t always the ones with the longest list of credentials....
30/04/2026

🚢 The maritime professionals remembered by the right people aren’t always the ones with the longest list of credentials. They're the ones who made their experience visible.

We run a blog covering GMDSS and AIS — from regulatory changes and new technology to the standards behind survey work.

But there's a limit to what we can cover from the shore. Some things can only be learned on board — and they rarely end up in print. That's what we'd like to change.

We'd like to feature voices beyond our own — and we'll be straightforward about why it works for both sides.

Here's what you get:

🔸 Access to an audience that may not overlap with the one you already have: 4,500–5,000 readers a month, almost entirely people working in or around GMDSS and radio surveys. Not a general maritime audience. The specific one. With around 6,500-7,000 page views a month.
🔸 Your name and a link to your profile or company on the piece.
🔸 Final say before anything goes live — we shape the draft together, but nothing publishes without your approval.
🔸 Promotion across our social media with a tag when the piece goes live.

We’re not looking for polished theory. We’re looking for field experience: a tricky flag state interpretation, an equipment failure pattern, a procedure gap you've learned to watch for, or how survey work changes across vessel types or flag states.

📩 Drop us a message if you have something in mind.

Two EPIRBs. Same result on the report: PASS.But the graphs tell a different story.On one — power output is stable across...
21/04/2026

Two EPIRBs. Same result on the report: PASS.
But the graphs tell a different story.

On one — power output is stable across the full transmission window, phase deviation sits comfortably within limits, the 406 MHz spectrum is clean. On the other — power drifts at the tail end, phase deviation rides the upper boundary, the spectral shape is just inside tolerance.

Both compliant on paper. Both signed off. But one of them may not make it to its next service interval without issues.

This is exactly what signal graphs reveal during EPIRB testing. Not just whether a unit passed — but how it passed.

Three parameters carry that information:
🔸 Phase deviation vs time
🔸 Power vs time
🔸 406 MHz spectrum

So what does each graph actually show — and what should you be looking for? We cover this in our latest blog post: https://gmdsstesters.com/radio-survey/general/beyond-passfail-signal-graphs-in-professional-epirb-testing.html

AIS Class A vs Class B — for vessel operators, surveyors, and port state control officers, the difference goes far beyon...
09/04/2026

AIS Class A vs Class B — for vessel operators, surveyors, and port state control officers, the difference goes far beyond specs.

In our new article, we take a closer look at what really matters in day-to-day operations — from carriage requirements to typical inspection findings.

If you have your own experience to share, we'd appreciate hearing from you.

🔗 Read more: https://gmdsstesters.com/radio-survey/general/ais-class-a-vs-class-b-differences-carriage-requirements-and-inspection-points.html

01/04/2026

We’ve been developing new features for our GMDSS Multi Tester MRTS-7 Pro … 🤔
Still in work — but looks promising.
Which one would you choose?

We’d love to hear your thoughts! 😃

🔥 We’re extremely thrilled to introduce a new feature in the latest GMDSS Multi Software update (version 6.3.1; April 1,...
01/04/2026

🔥 We’re extremely thrilled to introduce a new feature in the latest GMDSS Multi Software update (version 6.3.1; April 1, 2026):

💬 RADIO SURVEY TRANSLATOR MODE
This mode translates device messages into plain language.

Download the update and make sense of what your equipment has really been trying to tell you.

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40, Sarajevska
Belgrade
11000

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