AWOS Data transmission: Thinking ahead

August 6th, 2008

One of the questions we are getting here at RSINet is about NADIN transmission technology. Why does the RSINet NADIN system use such as high speed channel for a limited amount of data when a simple phone line can deliver the data?

Well, discounting all the low-tech disadvantages of slow speed transmission over phone lines, the main answer is the future of AWOS systems and capabilities, as well as the enhanced services in the works at RSINet.

The AWOS hardware companies are not standing still. New networked displays, new capabilities, and new features are in the works. When you connect your AWOS to RSINet for NADIN data delivery, you already have that enhanced infrastructure built in, ready for the next generation of hardware.

One of the HUGE drawbacks of “discount” NADIN service is that it is not two-way. RSINet is, and at network speeds. That means in addition to delivering data from your AWOS to the FAA, we can deliver data to your airport. THAT opens up a whole world of possibilities, and we’re working on several. That’s just one of the reasons All-Weather, Inc. – a leading AWOS hardware manufacturer – has picked RSINet as their chosen NADIN service provider.

In addition, RSINet’s real-time high speed capabilities provide more flexibility for the changing world of weather data. There are several projects in the evaluation stages by the FAA and other agencies which will require data transmission capabilities a low-tech system just won’t be able to accomplish.

So, without giving away any secrets, let’s just say that when you connect your AWOS to RSINet, you are also connecting your airport to a whole list of future possibilites.

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RSINet is preferred service provide for AWI AWOS 900 series

June 13th, 2008

All Weather, Inc is now featuring RSINet on their corporate web site for use with domestic AWOS series 900 systems. The 900 series is a highly reliable state of the art AWOS and is fully compatible with the RSINet service, with no additional cards or computers needed. Simply connect the RSINet interface and go!

RSINet recently outfitted the University of California – Davis airport (KEDU) near the All-Weather factory with an RSINet system for the AWI engineers to evaluate. They liked what they saw!


The AWI 900 series AWOS is, based on our maintenance statistics, THE most reliable aviation AWOS available today.



Click here to go to the AWI web page






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Even More RSINet FAQ’s

February 26th, 2008

Q: Will I need to upgrade my AWOS battery backup (UPS)?

A: No. Even at full transmit, the RSINet inteface only draws a few watts of power. Your exsisting UPS will work fine. However, adding another computer or satellite transceiver (such as with other NADIN systems) may seriously shorten your UPS run time and may require the added expense of upgrading your UPS. 


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More RSINet FAQs

January 26th, 2008

More questions and answers on the RSINet NADIN Data delivery system 


Q: Our airport has a part-time contract tower. What is the REAL ruling on NADIN connections?


A: Here is the definitive answer per the official FAA memo outlining the use of NADIN at part-time towered airports:  When the tower is open and certified weather observers are on-duty, (A) the automated report must be augmented or (B) the NADIN connection must be disabled.


Newer AWOS units do not have the capability to augment the METAR reports. NEXWOS units made by Systems Management circa 1995 (now All-Weather, Inc) can be made to augment reports. So, the real world answer is that for most airports, the NADIN system must be disabled when the tower is open. RSI has a solution for that issue and it is included with your RSINet system if needed.



Q: We are looking to do some remodeling work on the FBO in the future. How difficult is it to move the RSINet interface with the AWOS? We don’t want to pay to have a satellite dish or phone line relocated.


A: The RSINet system is self contained. Pick it up and move it with the rest of the AWOS Central Data Platform. Plug it back in and you’re set. If for some reason you have issues with the relocation, just call us. You AWOS technician should have no problems performing the move. The RSINet interface is about the size of a 5 x7 index card and only weighs a couple of pounds.

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January 18th, 2008


I have to admit…I knew airport sponsors were looking for a reliable alternative to the high cost of NADIN service, but I didn’t anticipate all the e-mails and requests for additonal information we would get within days of announcing the product. So, here are answers to some of the questions we’ve gotten about RSINet. We’ll post more as they come in.

Tom Nichols


Remote Systems Integration


Q: Why can’t I use the Internet to distribute my AWOS data?

The short answer is security. The FAA is very rightly concerned about the security of their network systems. They will not allow internet delivery of any data which ultimately ends up in their system. And, with very few exceptions, any weather data using internet delivery is advisory only, meaning that pilots cannot make landing decisions based on that data source. Any graphics display, unless it is directly connected to the AWOS in an approved FAA configuration must be labeled advisory only and is not for navigation.


RSINet is the result of many hours of performance and certification testing with the FAA Technical Center. In order for RSINet to become FAA certified for connection into NADIN, the system was required to pass all FAA technical, security, and performance benchmarks.



Q: Is my AWOS NADIN ready?


That depends on the model. NADIN output is standard on all All-Weather (Qualimetrics) 900 series systems, but it is optional on Vaisala systems. If you have a Vaisala system you should check with your AWOS technician to determine if you need to install a NADIN interface “ISI”. The older NEXWOS units can be made to output NADIN with some configuration changes. If your AWOS is NADIN equipped, there still may be some configuration changes that must be performed ONLY by your technician of record.


Q: My AWOS is self-contained out in the field. Will RSINet work with this system?


Yes. In fact, the RSINet network interface will fit inside the AWOS cabinet. However, there may still be some configuration changes and additional hardware needed, See the above answer.


Q: Does my AWOS technician have to install this equipment?


No. RSINet will install it, or if you wish you can do it yourself in about 5 minutes. If the NADIN port needs to be enabled or a NADIN interface installed in the AWOS itself, that task must be performed by the technician of record or under their direct supervision.


Q: Does the system require any maintenance?


No. All routine testing and diagnostics are done in real-time over the network. If we determine the device has failed, we’ll simply stop by and replace it, or send you another one.


Q: How can you offer free on-site maintenance?


Easy. The RSINet hardware usually doesn’t break. It’s certainly more reliable than the average computer, and chances are your AWOS will have more problems than the network interface. Not only that, RSI is one of the larger AWOS and navaids maintenance companies around. We service over 100 aviation and communications sites in 13 states from the Rockies to the east coast. Chances are pretty good we’ve got a technician pretty close anyway. Plus, we think it’s just good customer service.


Q: How about telephone support?


You’ll get a live (although possibly sleepy) person 24 hours a day, or a call back within minutes. We are on-call 24 hours a day for our navaids, and you get the benefit of that service! Plus, RSINet techs can monitor and diagnose the network and your site from anywhere in the network service area.


Q: Do you have any special deals?


You bet. Ask us, especially about out RSINet / AWOS maintenance contract packages.


Q: My Fire Department / DOT / Emergency Services want the AWOS data. Can they get it?


They can, in a variety of ways. Most importantly, they can get the AWOS data in real-time as soon as the AWOS spits it out. That’s an exclusive feature of RSINet!


Q: Who are you guys?


Remote Systems Integration has been in business since 1992. With a combined 75 years of AWOS and navaids experience between the staff, we install and service AWOS, Instrument Landing Systems, marker beacons, lighted landing aids, NDB’s and much more. RSI consists of pilots, retired FAA technicians, and electronics experts with decades of experience. We have completed projects for customers such as NASA, the United States Air Force, DOD, Homeland Security, Chevron, and a host of other companies and airports. 







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RSI wins South Carolina AWOS contract

January 7th, 2008

Remote Systems Integration has won a contract to maintain and repair the SC Department of Aeronautics’ Automated Weather Observation Systems statewide. The multi-year contract will cover all existing systems and will add newly installed systems as the manufacturer’s warranty maintenance runs out. This contract expands on RSI’s prior installation and maintenance activities in SC and is the first statewide AWOS maintenance program for RSI. To support this contract, RSI has added an additional FCC and FAA certified contract technician based in Columbia, SC to support emergency service on the state’s AWOS units. With this addition, RSI now maintains close to 80 AWOS units across more than a dozen states.

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Merry Christmas 2007

December 2nd, 2007

Thanks to our customers, once again this has been a busy year.  RSI has installed over 30 new remote sensing sites, increased our airfield maintenance business by about 30%, and developed the RSINet AWOS data delivery network…and I haven’t had time to update the web site….but in any case, thank you to all our friends and have a Merry Christmas! 

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RSINet approved for FAA NADIN connectivity

March 31st, 2007

RSINet logo 

Remote Systems Integration announces RSINet, a “State of the Art” network solution to connect non-federal Automated Weather Observation Systems to the FAA’s National Aerospace Data Interchange Network (NADIN), allowing the nation’s air traffic control system , the National Weather Service, and pilot briefing services across the nation access to your AWOS data.


RSINet is affordable, reliable, and offers what no other NADIN provider offers: REAL-TIME AWOS data delivered to the customer’s traffic managment centers, state monitoring centers, or any internet enabled customer site. RSINet also offers a graphical web page for each airport in addition to standard NADIN connectivity.


RSINet technology uses wireless IP networking for a reliable broadband connection to allow future services and upgrades. The RSINet technology is unaffected by weather outages plaguing satellite-based systems and leaves dial-up based data collection in the dust. 


The RSINet system is rolling out NOW, and will be available soon.


For more information on RSINet, contact Remote Systems Integration at




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RSI’s total airfield electronics services at work in 2007

January 13th, 2007

GNF on board


Grenada, MS airport (GNF) has become the latest airfield to take advantage of RSI’s expertise in overall airfield electronics maintenance by awarding RSI the contract to maintain the GNF ASI localizer, glide slope, marker beacon, and DME along with the field’s Vaisala AWOS. As always, this package includes consulting and available maintenance service on facilities such as the PAPI and other lighted landing aids.


At Millington Regional Jetport (NQA), work is underway to replace some of the incandescent obstruction lights with the new LED fixtures from Dialight. These units require virtually no maintenance and cost less to operate. During the first phase of this project, RSI will replace fixtures which require navaid shutdown for relamping, thus reducing he downtime of those facilities. Also at NQA, work will begin soon on a rewire project to bring the field’s Precision Approach Path Indicator (PAPI) lighted landings to modern standards.


RSI busy in Texas and the southwest


The Texas office is in the process of installing two AWOS sites, adding to our existing AWOS client base in Texas. More installations are in the works for Arizona and  Texas. In the southeast,  Kentucky, Mississippi and Florida installations are scheduled. These AWOS installations will feature the All-Weather 900 series AWOS.  


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Merry Christmas

December 10th, 2006

As the end of the year draws to a close, all of us at RSI would like to say “Thank you” to our customers once again for yet another record year of growth. ..and there’s more to come in 2007.

May you and yours have a very Merry Christmas and a Happy 2007!




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