How to setup your Iridium 9575 Extreme for SOS messaging

You can easily set up your Iridium 9575 Extreme satellite phone to send an SMS message, email, and call an emergency contact when in the Emergency Mode. Your phone goes into the Emergency Mode when you push the SOS button or manually select it from the phone’s menu. The following are the instructions on how to set up your 9575 phone for emergency messaging.

1. From your phone’s main screen, select Menu.

2. Select Setup

3. Select Location Options

4. Select GPS Options

5. Select GPS Update Options

a. Select the updating frequency you would like

b. Go Back to Location Options

6. Select Emergency Options

7. Select Emergency Actions. Select if you would like to Message and Call, Message Only, or Call Only.

8. Select Emergency Beep. Enable Emergency Beep if you would like the phone to beep while in Emergency Mode.

9. Select Message Recipient

a. Highlight the first entry and Select Options

b. Select Edit

c. If you would like to send an SMS message:

i. Select Enter Number

ii. Enter the emergency contact phone number you would like to send the SMS  message to when in Emergency Mode. Remember to always precede the phone number with 00 or the + sign, then the country code.

iii. Select OK

d. If you would like send an email:

i. Select Edit

ii. Select Enter Email

iii. Enter the email address of your emergency contact

iv. Select OK

e. Fill in the other two emergency contact entries if desired

f. Select Back

10. Select Call Recipient

a. Enter the phone number for the emergency contact you would like to call when in Emergency Mode. Remember to always precede the phone number with 00 or the + sign, then the country code.

b. Select Save

11. Select Back

12. Select Message Options

13. Select Regular Update

14. Select Update Frequency and choose the update frequency you would like. Your emergency contact will be updated according to the frequency you select.

15. Select Update Recipient.

a. Select Edit

b. Select Enter Number if you would like to send updating via SMS

i. Enter the contact phone number. Remember to always precede the phone number with 00 or the + sign, then the country code.

ii. Select OK

c. Select Enter Email if you will be updating via Email

i. Enter the contact email address

ii. Select OK

iii. Select Back

16. Select Back

17. Select Back

18. Select Format

19. Select Position. Select the position format you would like for your emergency message.

20. Select Altitude. Select your altitude to be shown in Feet or Meters.

21. Push the End Call key to go back to your main screen.

Now you are all set up to use the Emergency Mode.


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Replacement Antenna Diamond X-510N

After struggling to open some repeaters like GB3CF i decided to change my X50N Antenna to a X-510N. I found a new one on ebay significantly cheaper than elsewhere, and yes its genuine!

It wasn’t till i assembled it, that i realised just how big the antenna is! EVen with a slight breeze installing it onto the mount on the side of my house was a bit of a challenge. I wasn’t keen that the seals between the antenna joints were up to the job so i have wrapped self amalgamating tape around the joints just to keep the moisture out, however being black means they do stand out like a sore thumb.

The fitting is N Type so at present i use a converter to the PL-259 fitting on the end, i have got a crimping tool and plan to remove the cable and install a good quality crimp fitting N Type to the RG213 cable, but i haven’t got round to it yet, as the cable needs to come down so i can solder the centre pin, a bit of work for very little gain.

Either way the performance gain is huge, i can now run QRP on 2m and 70cm and this is great as my rig runs from my solar panel via a deep cycle gel type battery using a high quality charge regulator. I can now open repeaters up previously i couldn’t even hear!

 

 

 

 


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Manson or Palstar PS-30 or EP-925 Linear PSU Fan Modifications

I changed from a switching PSU to a linear PSU last year, after my switching PSU decided to run the fan all the time, which by all accounts was a common problem. Fortunately Maplins exchanged it and i paid the extra and got the much larger, heavier and better linear PSU.

If anyone knows what the ?? are in one of the photos please let me know, the fan connects to it before running back to the thermostat.

Original I owned a PS30SW II from Maplin, which is a great small PSU, but the fan circuits clearly have a problem. Maplin exchanged it for me and I was able to upgrade by paying the difference and bought a Palstar PS-30, on opening the box it was actually a Manson EP-925 exactly the same PSU but with a different label. Maplin do state it has a thermostatically controlled fan, which to be fair, it does, but its either off or on with no adjustment in fan speed, a rather irritating feature given the complexity of the PSU.

 

A quick google search showed up a few modifications that end users have done over the years, BUT it would appear that the newer units have some of these features already inside, and the pictures of the inner workings of my PSU differ to those I have seen on the internet.

Now before we get carried away, i am no electrician, but i can use a soldering iron and a multi meter and i’d like to think a fair degree of common sense. Now this is a big heavy PSU, big in both current and weight. So do yourself a massive favour and if you want to mess with the inside switch it off and unplug it, that doesn’t mean that there isn’t stored energy in the PSU so you may want to leave it overnight etc before poking your fingers around some of the large capacitors! Or figure out a way to suck the juice thats left out, after all no one likes a large electric shock especially a DC one. So you mess with these at your own risk.

I opened up the PSU and the fan fitted to mine was a 2 wire Sunon EE80251S1-0000-A99 DC 12v 1.7W, 3200 RPM Fan at 33dB(a) with no speed sensor. It seems to be a cheap 80cm case fan. So getting a super duper one was going to be pretty easy as all those computer overclockers love there speed but only if its quiet 🙂

Rummaging around my junk i found an old 80cm fan i had took out of the back of a NAS device. Taking the fan out of the PSU was easy the screws on the back release it, and there was plenty of spare wire inside the case, well that was until i cut it too short 🙁

The fan I have used instead of the stock one is a Y.S. Tech Fan Model Number FD1281255S-1A however the voltage range is a little less, but i checked it first and it works fine. The noise is a great deal less even at full speed but both fans produce similar amounts of air flow but the newer one does so at a far less RPM so the noise is lower.

As always if you have any questions please ask, i may place a resistor on the thermostat on the heat sink, but i have got the recommended one to hand. I’ll see how i get on with the fan first.

But it must be easy to add a true thermal sensor to the fan control and units can be bought on ebay that do control the fans based on a predefined temperature.

Remember elastic trickery hurts if you don’t take your time! and switch everything off!

Further mods can be found here

 


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