I have heard talk of using ASTRO P25 on 440 Ham. Is this really true? What is the catagory: Novice voice and data, Digital, FM simplex, FM repeater? Also, can you use MODAT or other signaling other than CW to identify your station? Basically, need to know if it is accepted by FCC and ARRL.
Thanks
ASTRO on 440 Ham band?
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code3media
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- Joined: Sat Dec 21, 2002 7:03 pm
Attempting to head off any potentinal flames...
You can use commerical gear on ham bands provided that:
-You are licensed
-Your equipment does not cause harmful interference
-You do not use encyption
You CAN use MODAT (I believe) but you will be the distain of everyone on the repeater. Essentially it has no use on the ham bands. There have been a couple of ham repeaters that have used the MODAT signalling for repeater control, but those were far and few
You can use MDC1200 for calling etc, as long as you identifiy your transmission, but many hams frown upon its use since 99% of hams do not use equipment with MDC features, so they may get annoyed quickly.
IMBE would be an accpetable form of transmission as it is an accepted standard of transmission. However, if you use encyption ontop of IMBE, the tranmission would be illegal.
You can use an orginal Syntor to an XTS5000 as long as you follow the rules.
You can use commerical gear on ham bands provided that:
-You are licensed
-Your equipment does not cause harmful interference
-You do not use encyption
You CAN use MODAT (I believe) but you will be the distain of everyone on the repeater. Essentially it has no use on the ham bands. There have been a couple of ham repeaters that have used the MODAT signalling for repeater control, but those were far and few
You can use MDC1200 for calling etc, as long as you identifiy your transmission, but many hams frown upon its use since 99% of hams do not use equipment with MDC features, so they may get annoyed quickly.
IMBE would be an accpetable form of transmission as it is an accepted standard of transmission. However, if you use encyption ontop of IMBE, the tranmission would be illegal.
You can use an orginal Syntor to an XTS5000 as long as you follow the rules.
Lowband radio. The original and non-complicated wide area interoperable communications system
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code3media
- Posts: 136
- Joined: Sat Dec 21, 2002 7:03 pm
Thanks PJ,
Looking at the band plan, considering P25 radios fall under "Digital", they can only be used on:
- 1240 band (1246-1252 MHz, 1258-1260 MHz, 1297-1300 MHz)
- 900 band (904-906 MHz, 916-918 MHz)
- 2 meter (144.9-145.2 MHz).
Are you sure about 440? Also, can a Astro Saber 3 (450-520 MHz) be modified to transmit on 440 band? I remember something about using a Hex editor and changing some code. Anyone know how to do that?
Ryan
Looking at the band plan, considering P25 radios fall under "Digital", they can only be used on:
- 1240 band (1246-1252 MHz, 1258-1260 MHz, 1297-1300 MHz)
- 900 band (904-906 MHz, 916-918 MHz)
- 2 meter (144.9-145.2 MHz).
Are you sure about 440? Also, can a Astro Saber 3 (450-520 MHz) be modified to transmit on 440 band? I remember something about using a Hex editor and changing some code. Anyone know how to do that?
Ryan
Most astro radios (I can't vouch for the spectras) will drop without issue into the ham band. You'll need to make a modification to the RSS to allow out of band programming - quite easy to do. Info is here on batlabs.
If you use CPS, there is a hack, but I haven't tried it yet personally.
I do have an astro saber 450-512 that covers down to 442.000 without much of a problem.
-Alex
If you use CPS, there is a hack, but I haven't tried it yet personally.
I do have an astro saber 450-512 that covers down to 442.000 without much of a problem.
-Alex
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code3media
- Posts: 136
- Joined: Sat Dec 21, 2002 7:03 pm
No problem. CPS is windows RSS. Customer Programming Software. IMHO is In my humble oppinion, and IMBE is a form of digitial. For some reason, I can't reacall exactly what it stands for, but it's somewhere on the board. My head is filled with different internet protocols as I'm reviewing for an Exam in the morning... stupid Cisco stuff. yay.code3media wrote:Im still learning this stuff guys, so bare with me.
CPS - Is that the windows RSS version?
And where can I find that info on modifying the codeplug? Should I do a search or is in on "BATLABS.com"?
Also, what is IMHO, and IMBE?
Spend some time reading at http://www.batlabs.com. A lot of the time if you search with Google and other programs you don't get the main site, but you do get the board. I would spend some time reading up there. You'll find a lot of usefull information.
Warning: site can become extreamly addicting and you'll notice more time flying by while reading up on all the different stuff
-Alex
"Looking at the band plan, considering P25 radios fall under "Digital", they can only be used on:
- 1240 band (1246-1252 MHz, 1258-1260 MHz, 1297-1300 MHz)
- 900 band (904-906 MHz, 916-918 MHz)
- 2 meter (144.9-145.2 MHz). "
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You are thinking "digital" like packet. APCO25 is digital voice and is being used on several amateur repeater systems around the Country including Chicago, Colorado, Nebraska, and Texas.
Search here on Batboard and you will find previous threads about digital ham repeaters. Here are some other links that may be of interest:
http://www.arrl.org/tis/info/pdf/0202038.pdf
http://www.arrl.org/tis/info/pdf/0201028.pdf
http://www.arrl.org/announce/reports-02 ... voice.html
There is also info on the TAPR web site.
- 1240 band (1246-1252 MHz, 1258-1260 MHz, 1297-1300 MHz)
- 900 band (904-906 MHz, 916-918 MHz)
- 2 meter (144.9-145.2 MHz). "
--------------------------------------------------------------------------------------
You are thinking "digital" like packet. APCO25 is digital voice and is being used on several amateur repeater systems around the Country including Chicago, Colorado, Nebraska, and Texas.
Search here on Batboard and you will find previous threads about digital ham repeaters. Here are some other links that may be of interest:
http://www.arrl.org/tis/info/pdf/0202038.pdf
http://www.arrl.org/tis/info/pdf/0201028.pdf
http://www.arrl.org/announce/reports-02 ... voice.html
There is also info on the TAPR web site.
Looking at the band plan, considering P25 radios fall under "Digital", they can only be used on:
- 1240 band (1246-1252 MHz, 1258-1260 MHz, 1297-1300 MHz)
- 900 band (904-906 MHz, 916-918 MHz)
- 2 meter (144.9-145.2 MHz).
Ditto on what XMO says you can use digital voice on any ham band where normal voice is used, IE FM, AM, SSB, AMBE or IMBE ETC. as long as the occupied bandwidth is the same. Also Digital voice using AMBE is already being used by hams on the HF bands, the first ever ham digital HF transmissions between the U.S. and, I think it was France on the European end, just took place a few weeks ago.
Mike
- 1240 band (1246-1252 MHz, 1258-1260 MHz, 1297-1300 MHz)
- 900 band (904-906 MHz, 916-918 MHz)
- 2 meter (144.9-145.2 MHz).
Ditto on what XMO says you can use digital voice on any ham band where normal voice is used, IE FM, AM, SSB, AMBE or IMBE ETC. as long as the occupied bandwidth is the same. Also Digital voice using AMBE is already being used by hams on the HF bands, the first ever ham digital HF transmissions between the U.S. and, I think it was France on the European end, just took place a few weeks ago.
Mike
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ASTROMODAT
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ASTROMODAT
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code3media
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repeaters
Where???ASTROMODAT wrote:There are also 2 or 3 Ham Quantar IMBE repeaters in NJ.
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ASTROMODAT
- Posts: 1825
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"TOMMY" something or other (his Batboard handle) put a detailed posting on this board sometime last Fall listing information on the NJ/NY Ham Quantars running P25 IMBE voice. You should be able to find this posting with a search. If memory serves me, they were all UHF, and they were set-up in the open mode, with ASTRO Squelch and Default ID 293.
Remember, there is no hang time on digital mode, so you'll have to catch someone live to see if you can hit any of these machines. (I'm solving this problem with my Quantar by hanging a controller off the DIU via the MRTI jack. Then, through this external controller's DSP, I am disabling the RX audio from going into the TX, so that the Quantar controller remains in control. However, the external controller's PTT will hold the Quantar up for as long as I program it. This way, you can have your cake ANDS eat it, too! Slick.)
Larry
Remember, there is no hang time on digital mode, so you'll have to catch someone live to see if you can hit any of these machines. (I'm solving this problem with my Quantar by hanging a controller off the DIU via the MRTI jack. Then, through this external controller's DSP, I am disabling the RX audio from going into the TX, so that the Quantar controller remains in control. However, the external controller's PTT will hold the Quantar up for as long as I program it. This way, you can have your cake ANDS eat it, too! Slick.)
Larry
There are 3 UHF Astro repeaters in Chicago
FishFar 442.900 (stand alone Quantar in Schaumburg)
CatFar 443.150 (Northbrook Quantar)
MARC (Motorola Amateur Radio Club) don't know the freq off hand, but it's a Quantar referred as "Moto 2"
& I was told that there is a UHF Astro talkout that is crosslinked to a VHF Astro talkout that is run by the WGN radio club(I think - unconfirmed).
Cipher77
FishFar 442.900 (stand alone Quantar in Schaumburg)
CatFar 443.150 (Northbrook Quantar)
MARC (Motorola Amateur Radio Club) don't know the freq off hand, but it's a Quantar referred as "Moto 2"
& I was told that there is a UHF Astro talkout that is crosslinked to a VHF Astro talkout that is run by the WGN radio club(I think - unconfirmed).
Cipher77
tried and tried cant find it......can youASTROMODAT wrote:"TOMMY" something or other (his Batboard handle) put a detailed posting on this board sometime last Fall listing information on the NJ/NY Ham Quantars running P25 IMBE voice. You should be able to find this posting with a search. If memory serves me, they were all UHF, and they were set-up in the open mode, with ASTRO Squelch and Default ID 293.
?
Any Astro Ham in NYC / LI area ??
Does anyone know of a astro ham repeater in the lower New York area or Long Island ???
Thanks
Thanks