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« on: November 02, 2011, 04:54:12 PM »
neha
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Hi all,

I am new to this forum. I'd really like to know what the legal limit for long range wireless transmission/reception is in India.
When I first came to Bangalore, I had no idea that satellite phones could not be used without permission.
Does anyone have any idea about the legal long range limit?

Thanks.

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« Reply #1 on: November 02, 2011, 06:27:55 PM »
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welcome to the real free world, lot of things india is done on a sense of responsibility and restrain. lot of things which are illegal in USA and enforced so is done culturally here. That is the true meaning of Free World. No ? AFAIK there is no such limit,
« Last Edit: November 03, 2011, 12:19:59 AM by augustinev » Logged

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« Reply #2 on: November 02, 2011, 06:40:32 PM »
ujjwaana
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The only legal frequencies for R/C are 27Mhz and 72 Mhz (citation required) in FM and 2.4GHz in the higher band.

For 2.4g, only 2 watts of power is allowed. I am not sure what kind of licence you would need for a making DIY Radio (ASOC - Amateur Radio may be)  yourself, but importing such device would require getting a formal Type Approval from WPC.

Notwithstanding normal R/C being taboo itself, talking about  Long Range Radio (450/900/UHF LRS) with authorities would certainly raise too many eyebrows, considering the prevalent security scenario of the country.

Why you need such a long range ? If you plan to setup UAV industry, I guess you have to proper (and long) legal way of getting approvals.
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« Reply #3 on: November 02, 2011, 11:35:07 PM »
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I was considering 2.4GHz. I was just worried about the legality.
Thanks for all the help. Hats Off
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« Reply #4 on: November 03, 2011, 01:20:48 AM »
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The only legal frequencies for R/C are 27Mhz and 72 Mhz (citation required) in FM and 2.4GHz in the higher band.

Don't know of 72Mhz getting any sort of blessing in India so far.
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« Reply #5 on: November 03, 2011, 03:00:21 AM »
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I was considering 2.4GHz. I was just worried about the legality.
Thanks for all the help. Hats Off

2.4Ghz is perfectly leagal - the user does not need a license to operate. Only if you are importing the Radio, you need the Type Approval. Your radio already typed approved **might** give some ground, but surely dicy. If you are not choosy about a brand, some models of 2.4Ghz Futaba, Sanwa, Spektrum , Hitech , and FlySky already have type approvals. Else carry the Radio on the flight instead of getting it through post.
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« Reply #6 on: November 03, 2011, 09:30:51 AM »
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I was considering 2.4GHz. I was just worried about the legality.
what are you planning to do with the radio? from you first post i thought you were into voice transmission Huh?
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« Reply #7 on: November 05, 2011, 03:29:11 AM »
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what are you planning to do with the radio? from you first post i thought you were into voice transmission Huh?

Oh, I might have confused you there. I just mentioned the Satellite phones coz I was into trekking earlier. And I always used to wonder what we could do during emergencies on a forest trail. Most of the things we do is just so unorganized. It's like we don't value our lives at all(ofcourse, our government never did).
Maybe, there's hope. Someday, somehow... *dreams*
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« Reply #8 on: November 05, 2011, 07:30:55 AM »
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for trekking your are better off with HF, range is long as the wave is Surface & Sky wave (Including Multi hop Tx ) (That is if you want to contact the base camp for help), did you look at Garmin Rino (https://buy.garmin.com/shop/shop.do?pID=6404&ra=true) , i have been using this for some time, push of a button you know where your buddies are also has Vox tx mode, then there is PLB & ELT, downlink station is there in Bangalore and Mumbai (And i think at Lucknow too), we have recovered  many people from distressed sites with this Sarbe eqpt. Cheaper versions are available, Breitling has the one in a wrist watch.

i have used all of the above, some for over twenty five years, just by triangulation we recovered a guy stranded at 7000 mtr peak, lost toes and finger tips of some recovery guys in the bargain

that is for valuing our life.

It's like we don't value our lives at all(ofcourse, our government never did).
Maybe, there's hope. Someday, somehow... *dreams*

this statement of your is very judgmental probably you are ill informed that's why. we, in our country don't charge hefty tax and provide the service for free, try it if you want to.

And I always used to wonder what we could do during emergencies on a forest trail. Most of the things we do is just so unorganized.

that is called free world neha, do your own thing, make your own road and trail. be prepared thats all like i marked earlier. any more assistance , PM , (except in ooty and Mudhumlai forest in south India, i have done most treks in the Himalayas right from Along Dirang valley to Pahlgam doda kishtwar udampur valleys.)

« Last Edit: November 05, 2011, 08:00:03 AM by augustinev » Logged

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« Reply #9 on: November 05, 2011, 08:12:10 AM »
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4,125 kHz 6,215 kHz 8,291 kHz 12.290 MHz 16.420 MHz are always monitored for any distress call. 
121.5 MHz and 243 MHz too is always monitored. (Try it .)

406 MHz to 406.1 MHz is used used by the Cospas-Sarsat international satellite-based search and rescue (SAR) distress alert detection and information distribution system , like I said downlink stations are there at three locations in India , within six minutes of operation of this PLB eqpt  IAF gets into action for SAR. if you play prank with it, there is a fine and some jail time ofcourse, jailtime can be circumvented too , in my country, Wink
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« Reply #10 on: November 05, 2011, 09:23:50 AM »
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sir AFAIK 121.5 Mhz is for civil aviation ELT frequency and 243 for ? Head Scratching
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« Reply #11 on: November 05, 2011, 11:07:18 AM »
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4,125 kHz 6,215 kHz 8,291 kHz 12.290 MHz 16.420 MHz are always monitored for any distress call.
121.5 MHz and 243 MHz too is always monitored. (Try it .)
Wow Gusty sir!! that was sea of Info!!! unlike foot soldier with a radio officers, we civilian trekkers dont have the luxury of HF. Most of us use VHF GMRS radios for communication, That itself is not unlicensed Freq, but the authorities have been kind to avid trekkers and even the occasional brush BSF folks on surveillance, they never raised concerns. About the Sat phones, Govt has mandated all the trek groups on extreme circuits like Kalindi Khaal to carry Sat phones for distress.

So Neha, what Radio/LRS are you zeroing to ?
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« Reply #12 on: November 05, 2011, 11:18:06 AM »
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Good reading and seeing
http://www.washingtonian.com/PhotoGallery/228/3369.html
http://en.m.wikipedia.org/wiki/Breitling
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« Reply #13 on: November 05, 2011, 04:05:43 PM »
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4,125 kHz 6,215 kHz 8,291 kHz 12.290 MHz 16.420 MHz are always monitored for any distress call.
121.5 MHz and 243 MHz too is always monitored. (Try it .)


Just for my information, what is the modulation used?
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« Reply #14 on: November 05, 2011, 06:33:55 PM »
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Don't we pay taxes? Then, whose money are the politicians treating themselves on? Check out these details and many things fall into place. Almost 50% of FDI comes from Mauritius. Do you really think that that is NOT our tax money again coming back to us?
What do we not have? Human resources? Natural resources? Talent, intelligence, communication? We have got it all. Then why do we have to live in sub-standard levels?
I have seen no safety measures anywhere. A few months back, I saw a worker on Metro(Bangalore) almost losing grip and losing his life and then he recovers and "smiles". And, I went there to get an article for my project about the "construction and building standards" of our country. I won't mention the number of accidents that happened all through the making of the rail roads.
So I mentioned how cheap our lives are and how we don't stop to think about it or demand it because we have come to believe that this is the best. But, seriously, is it?
I wake up in the morning(or rather afternoon) and find that petrol prices have risen "again" inspite of the oil companies making profit. Forget about all the luxury and entertainment taxes that we pay, what about when my phone company calls me to tell me that my bill for the month is more than Rs 4000? And I make only official calls and try NOT to be on the phone 24X7 as I feel spending time P2P is more important. I always notice how gradual the change in amount is. It starts with a lower amount and then increases as the months go by. I still go on and pay, like a good citizen does.

And then as I sip my coffee, my maid comes in all angry and tells me how her kid is all drenched in dirty water splashed by a vehicle. I ask her for the millionth time to let him continue school and not bring him along during her working-woman routine. She tells me all over again how he had a food-poisoning instance on a school meal and shuts my mouth again. Anyhow, she goes on about how difficult it is to just get by with 3 children. My mind wanders on the population issue and how "education in the real sense" can enlighten us to move forward. She grumbles a bit more and I can only smile.

You really wouldn't want me to go on. I do have many issues but the ones that I have stated above are pretty obvious ones. I have had several problems with quality of eerything. And, yes, I want the best that man has made. When I pay/work for something, I want the absolute best. Am I asking for too much? I guess not.

I love my country too. But I am not gonna talk about the past glories and riches that our country had. The day they make me feel safe, I'm gonna say so. But that day ain't today.

Oh, I am gonna use 2.4 GHz. I am new to this and have no background in Electronics whatsoever. I guess I am gonna get serious by next year as I am on a research project as of now. And, I now know where to come for help.

Thanks a lot for all the info.


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« Reply #15 on: November 06, 2011, 02:49:06 AM »
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We are still living in a country of Rajas and Emperors - We pay one of the highest 'total' taxes to the Govt which has Zero liability in return. Just for the example, Bangalore has the highest Road Taxes and Costliest Petrol, still we have 'Main' roads only on Maps.

Welcome (Back?) to India.
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« Reply #16 on: November 06, 2011, 08:47:29 AM »
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after having traveled so much across globe, by the fourth or fifth day i start missing this piece of the planet, i think i am living in a glorious country, govt no govt , politician no politician, a country worth dieing for ... Salute
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