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Go Back   SailNet Community > General Interest Forums > Gear & Maintenance > Electronics
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  #1  
Old 04-05-2012
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PACTOR 4 and ICOM 802?

Anyone know if there are any known issues with the new PACTOR 4 modem?

We are about to purchase a new ICOM 802 and see a kit but the kit has the PACTOR 3 modem. I know the PACTOR 4 is not OK for the USA yet but we will be in Mexico.


PACTOR 4
Thanks,
Chip

Last edited by SanDiegoChip; 04-05-2012 at 11:53 AM.
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Old 04-05-2012
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Re: PACTOR 4 and ICOM 802?

Why is not US approved?
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Old 04-05-2012
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Re: PACTOR 4 and ICOM 802?

Hi,
At the Ham store yesterday the counter man said the PACTOR 4 was not yet approved for use in the US. As for what that means I do not know. I am just starting to research this whole ICOM 802 and PACTOR modem email package.
I was looking for alternatives to the ICOM 802 for our sail boat, just to be sure of what we may purchase.
The PACTOR 4 may be too $$$ for our email tast any way but I have not found pricing for it yet.
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Old 04-05-2012
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Re: PACTOR 4 and ICOM 802?

I don't know what the guy at HRO was telling you, but some of the USA Sailmail stations have converted over to the new Pactor IV. I always recommend talking to Gary at Dockside Radio. Usually he is up to date on these things and is offering the Pactor IV for sale on his site. He is located in Florida, and no, I don't have any interest in his business. I was a satisfied customer and thought his customer service was great.

Pactor-II/III Radio Modem sales, FCC License filing, Marine SSB & HAM Radio Net schedules &amp frequencies.
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Old 04-05-2012
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Re: PACTOR 4 and ICOM 802?

HI,
Just found a site with the PACTOR 4 for sale set up for the ICOM 802.
Pactor Modem Kit Contents and Pricing.htm

Although more money it is for us the last time we will every buy this stuff and will be using it for a long time, hard not to get the newiest as it will get the latest.
Chip
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Old 04-05-2012
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Re: PACTOR 4 and ICOM 802?

Windward54, just cheked your link and they (the one I just posted) are the same!
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Re: PACTOR 4 and ICOM 802?

That's because great minds think alike!

The cost difference is about $600. When I bought the Pactor III, I also opted for the Bluetooth upgrade. Makes it easier with a laptop to not have to connect the line fromn the computer to the modem.

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Windward54, just cheked your link and they (the one I just posted) are the same!
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Re: PACTOR 4 and ICOM 802?

+1 on Gary Jensen at Dockside Radio.

FYI, Pactor4 is OK on marine SSB but not yet on ham SSB. It's a bandwidth issue.

If you've got the bucks, by all means go for the Dragon!

Bill
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Old 04-06-2012
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Re: PACTOR 4 and ICOM 802?

Quote:
Originally Posted by Melrna View Post
Why is not US approved?
Quote:
Originally Posted by btrayfors View Post
FYI, Pactor4 is OK on marine SSB but not yet on ham SSB. It's a bandwidth issue.
Bill is correct that the Dragon P4 is legal on marine frequencies but not on ham frequencies.

Unfortunately it isn't a bandwidth problem. The US regulations for ham radio limit symbol rate to 300 baud on HF. P4 exceeds that even though the signal bandwidth is within the limits of SSB (which is what most countries regulate).

Take up of P4 is a little slow on the shore side but the enthusiasm is there. I'm saving my pennies to replace my PTC-IIpro with a Dragon. P2 and P3 performance of the Dragon is better than the IIpro, IIex, and IIusb. The Dragon comes with USB interface but you can get Bluetooth and Ethernet. I've only sold one so far but the experience has me drooling over having one of my own.
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Re: PACTOR 4 and ICOM 802?

Quote:
Originally Posted by SVAuspicious View Post
Bill is correct that the Dragon P4 is legal on marine frequencies but not on ham frequencies.

Unfortunately it isn't a bandwidth problem. The US regulations for ham radio limit symbol rate to 300 baud on HF. P4 exceeds that even though the signal bandwidth is within the limits of SSB (which is what most countries regulate).
.....
Yes, Dave is technically correct. See what happens when you try to use shorthand? My original reply was sent from an IPad, on which I find typing tedious and slow. I should have said, "permitted baud rate on data modes" instead of just "bandwidth".

Because, for most intents and purposes, baudrate = bandwidth.

Anyway, one hopes that the permitted baud rates on the data modes for ham radio will soon be revised upwards to allow P4 operation. Meanwhile, the commercial stations are gearing up fast, since P4 throughput is about twice as fast as P3, and much faster than other available digital modes.

Bill
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