Pactorii is a fully backwardcompatible improvement to the original pactor system. Scs announces product line changes winlink global radio. Still working on new technologies to fullfill our customers needs. When it comes to weak signals, nothing comes even close to pactorii and pactoriii. Scs ptc iiiusb scs pactor radio modem pactor iii licensed modem with usb connection to computer, transceiver frequency control, gps nmea interface, 2 mb internal memory, motorola dsp, tcxo, builtin vhfuhf packet excludes multiport capability. Combine this radio with the scs pactor modem, and worldwide email is a reality. The p4dragon dr7800 is the latest and in the line of pactor modems. I have on board my hunter 40 legend a icom icm710 ssb radio and also a pactor scsptcii. The new flagship in the scs product line, the pactor 4 enabled dr7800 released earlier this year, has been widely accepted by commercial and emergency operators. Pactor is an evolution of both amtor and packet radio. Installing an hf ssb and a pactor modem ocean navigator. The 70074 kit contains everything you need to operate pactor 4, iii, ii, i and connect to an.
Noticeably improved performance with pactor 2 and pactor 3. Pactor iii is the most recent release of this technology available to hams. The firmware for all scs ptciixxx modems is a file that can be downloaded from our homepage. The 1071 ptciiiusb includes pactor iii mode afforadable performance. Ptcii series and to thedr7800 so that existing pactor software airmail. Both the transmitting and receiving stations must support pactoriii for endtoend communications using this mode. But any conventional computer modem can do the same thing. With a suitable client software the ptciipro can handle it. The pactor team at scs went on to develop pactor 2, a twotone phaseshift encoding psk scheme. The dr7803 and pactor 4 enable unexcelled data links via shortwave from any point on earth.
The best way to find out the pactoriii status is to connect the modem to the computer no radio needed. The cost of a pactor modem has gone up so much that it is beyond the means of the average ham operator. The software that came with the pactor modem is outdated and will not download on my. Ptciiusb modem w pactor iii upgrade the most effective data transmission over ssb. A report of the american amateur radio the austrian red cross supports a short wave network using pactor modems the ptciiiusb. Ptciiusb modem w pactoriii upgrade the most effective data transmission over ssb. Scs ptc iii usb scs pactor radio modem pactor iii licensed modem with usb connection to computer, transceiver frequency control, gps nmea interface, 2 mb internal memory, motorola dsp, tcxo, builtin vhfuhf packet excludes multiport capability. Recently pactor iiiii have come under fire for being closed patented protocals with a single source. Scs modems with a current firmware version are capable of pactor iii. In some cases keyboards, mice these are included with windows, but in most cases they are provided by the device manufacturer scs, in the case of the usbconnected pactor modems. Pactor ii firmware automatically checks whether pmc, huffman or the original ascii code is the best choice.
With totally new hardware and firmware designs, pactor 4s maximum throughput speed of 10,500 bps. With totally new hardware and firmware designs, pactor4s maximum throughput speed of 10,500 bps. I have the scs ptciipro and it is the best tnc i have ever owned. Scs pactor modem interface cables supplied with standard modem order audio cable. To stay in contact with a sailing vessel en route between stockholm and greenland, we selected the winlinkcompatible pactor ii and iii emissions, in combination with the airmail software. Scs p4dragon dr7800 pactor 4 modem rys electronics. All manufacturers, expedition software, icom, iridium, scs. Pactor is a radio modulation mode used by amateur radio operators, marine radio stations, military or government users such as the department of homeland security, and radio stations in isolated areas to send and receive digital information via radio.
Pactor iii introduces 6 speed levels that provide higher throughput and improved robustness compared to pactor i and ii. It supports the pactor ii and optional pactor iii modes, the best digital modes currently available. The dr7400 has been optimzed for use with the new highend data transmission mode pactor4. Usb drivers for the scs pactor modems any usb device requires drivers to operate. It is an adaptive mode that applies different modulation and encoding methods depending on the channel quality. Scs is setting the new standard for radio data communication. After purchasing a pactor iii upgrade, you will receive an unlock code to enable pactor iii operation with your modem. We expect that ptciifamily modems licensed to use pactoriii will continue to.
The picture shows us at our booth at the ham radio exhibition in 1999. Pactor iii has a maximum bandwidth of 2400 hz hertz hz, unit of frequency, defined as one cycle per second 1 hz. Ive spent several weeks evaluating the onair performance of vara and pactoriii under various conditions. Multimodecontroller for pactoriii, pactorii, pactori, amtor, navtex, rtty, cw, fax, sstv, audiofilter, packetradio and psk31. Their pactor2 controller is the ptcii, with the modem implemented by a powerful dsp digital signal processor chip and incorporating a fast 32bit microprocessor to move the data.
Pactor iii has 6 speed modes, made up of 2, 6, 14, 16, and 18 tone modulations, with each tone spaced 120hz apart. Ptc series manual ptcplus manual ptc z80 documents scs limited warranty statement modem repair return instructions pactor advanced data compression pactor 2 technical description pactor 3 technical description pactor 4 technical description. I am still a fan of software based digital modes like winmore. Scs tells us that pactor4 technology is the absolute fastest a pactor modem can go on the hf bands and still stay within the internationally mandated bandwidth. Both the transmitting and receiving stations must support pactor iii for endtoend communications using this mode.
The small enclosure make this modem easy to add to any hf ssb radio installation. Scs, the company that created pactor, has unveiled software that offers the ability to monitor the content of pactor 1, 2, and 3 transmissions over the air. Pactoriii is voll abwartskompatibel zu bestehenden pactoriiinetzen. With optimal conditions, pactor iii becomes over 5 times faster. Scs modems are the original pactor mode modems developed by the people that created. This applies to all ptciipro, ptciiex, ptcile and nearly all ptciis. Oct 01, 2009 icoms latest marine ssb transceiver, the model icm802, is popular with the voyaging community, as it is legally usable without modification on both the marine hf and amateur radio hf frequencies with appropriate licenses.
The fast quadcore dsp used in the dr7x00 modems enables for the very first time, a high data rate, approaching very close to the shannon limit. Dr7800 is softwarecompatible with ptcii which means that one may. The truth about mobile phone and wireless radiation dr devra davis duration. Also, you can check if there is a electronic serial number by software. Scs tells us that pactor 4 technology is the absolute fastest a pactor modem can go on the hf bands and still stay within the internationally mandated bandwidth. Ptc series manual ptcplus manual ptc z80 documents scs limited warranty statement modem repair return instructions pactor advanced data compression pactor2 technical description pactor3 technical description pactor4 technical description. The scs tracker dsp tnc is the first terminal node controller tnc to use a digital signal. Winmor achieves almost the same data rates as the advanced pactor modes and can be used with a computer and sound card. Pactorii performs its initial link setup using pactor in order to achieve compatibility. This and the inability of users without scs modems to decode proper identification of stations transmitting with pactor iiiii has led to some heated discussion on the subject. Dr7800 is softwarecompatible with ptcii which means that one may continue to use the. The ptc ii usb formerly ptciipro new in the ptciiusb.
The multimodecontroller for pactor iii, pactor ii, pactor i, amtor, navtex, rtty, cw, fax, sstv, audiofilter, packet radio and psk31. Which is to say that its complicated to say the least to make of it with a radio having an internal modem such as the tc4 installed inside my icf8101e or the internal usb codec in the same radio for software defined modem use. I use the airmail program with the scs pactor iii modem for remote location. Furthermore a computer modem can transfer data at a lot higher rate than a pactor iii modem can, as it uses a much larger bandwidth than any pactor modem. Radiorelated technical support for the cruising sailor. Pactoriii is a software upgrade for existing pactorii modems that provides a new data transmission mode for improved speed and robustness. May 09, 2018 there is a new firmware for all ptc ii series modems except the trxptc the pactor modem that is on a pcb for installing inside transceivers. May 23, 2011 scs has posted a new modem for pactor 4. Pactor adjusts its speed based on conditions as well.
I just found this site on the hunter owners web site and hope someone can help me with my many ssb questions. Multimodecontroller for pactor iii, pactor ii, pactor i, amtor, navtex, rtty, cw, fax, sstv, audiofilter, packet radio and psk31. A software version to monitor pactor 4 is scheduled to become available next year. Scs is proud to present its new p4dragon dr7800, a completely new development, and the first pactor4 capable shortwave modem. The scs scs pactor radio modem is truly the best radio modem money can buy. Pactor email via radio modems pactor4 scs dragon dr. Alternately open a terminal program hyperterm or airmails. Scs announces product line changes winlink global radio email. Radio related technical support for the cruising sailor. Synchronized, similar to pactor 3, except 10 instead of 6 speed levels waveforms and faster switching. As a result, there is little incentive to create a bare bones pactor modem. Hf data modems pactor royal communications international, inc. Pactor ii is also able to transfer and 7bit ascii data and other binary information such as programs, pictures and voice files which can be split up into 4bit nibbles by automatically switching off its online data compression.
With data throughputs up to 4x an iridium or isatphone satellite link, hf radio data solutions are back in the spotlight. We have sold other modems, but the performance is so inferior that our customers were very dissatisfied with their systems, and they were harder to work and less reliable not a good combination. This mode is used exclusively in scss p4dragon series of shortwave data modems. May 27, 2018 hi tony, as far as the hfchansim capability of the mdm3001 or mdmq9604 is concerned, you can use it with any hf modem with accessible base band audio inputoutputs. Today scs is one of the world leading manufactures of high end hf radio modems. P4dragon modems are software compatible with previous ptcii series modems, so existing pactor software airmail, rms express, alpha etc can continue to be used. This one the say has been redesigned with a fast quadcore dsp allowing high data rates. Marine and areonautical fcc radio license filing services using dockside radios simplified onepage application worksheet. The ptciiiusb allows direct connection to a usb interface of the modern notebook, and thus expands the scs equipment. Pmon will offer thorough observation and documentation of all presently. Their pactor 2 controller is the ptc ii, with the modem implemented by a powerful dsp digital signal processor chip and incorporating a fast 32bit microprocessor to move the data. The pactormodem is the only specialized piece of equipment, and is essentially a specialized modem designed for radio. Scs once more shows that even a legend can be improved with the new p4dragon dr7800.
Hanspeter developed the modem and carried out software adjustments. The picture shows us at our booth at the ham radio exhibition. Our hf modem p4dragon dr7800 is the uncompromising advancement of the legendary ptcii which is designed for professional deployment and for the ambitious amateur radio operator. Our hf modem p4dragon dr7800 is the uncompromising advancement of the legendary ptc ii which is designed for professional deployment and for the ambitious amateur radio operator. This applies to all ptciipro, ptciiex, ptcile and nearly all ptc ii s. The dr7400 has been optimzed for use with the new highend data transmission mode pactor 4. The compact hf modem p4dragon dr7400 offers a lowerpriced entry to the p4dragon modem class. As an advancement of the ptcii without any compromise the dr7800 is built for the new highendtransmission method pactor4 with unbeatably robust and fast data transmission designed for shortwave. Use the pactor modems to send wireless email, transfer files, use realtime data links, and access weather information, all over your ssb or vhf radio. I have the scsptciipro and it is the best tnc i have ever owned. About pactor modems pactoriiiii radio modem sales, fcc. Pactor ii demonstration using scs ptcii modem youtube.
Three components are needed to use sailmails worldwide network of ssbpactor radio stations. Features usb support, transceiver control, and gps connection. Links db0ohv pactor scsmail server robust packet network. Any of the scs pactor modems including the dr7400 or dr7800. Once the airmail software in installed, if your computer has access to the. The free pmon software runs under the linux operating system. Marine and areonautical fcc radio license filing services using dockside radio s simplified onepage application worksheet.
When it comes to weak signals, nothing comes even close to pactor ii and pactor iii. Pactor iv is the newest iteration of the pactor series, advancing from pactor i iii. Most current pactor ii modems are upgradeable to use pactor iii via a software update since pactor ii firmware accommodates the new pactor iii software. Pactoriiiii radio modem sales, fcc license filing, marine. I think that this article should include a section detailing this. Recently pactor ii iii have come under fire for being closed patented protocals with a single source.
Farallon dr7400 digital modems, dr7400 ham radio outlet. The dr7803 adds a class 1 100mw bluethooth radio for a wireles connection to your pc. During a standard transmission connection between two operators. Icoms new m803 marine ssb radio began shipping in early 2020 and is a terrific radio.
Yes, don, you have to use a scs modem for pactor, but you can sometimes get an used one. For a number of years hams whove accessed the winlink network on the hf bands have used pactor, primarily pactor ii or iii. There is a new firmware for all ptcii series modems except the trxptc the pactor modem that is on a pcb for installing inside transceivers. Pactor iii and subsequent versions are available only in equipment available from scs. Pactor 123, pr, also rpr, rtty, cw, psk31, fax, sstv, amtor. After purchasing a pactor iii upgrade,you will receive an unlock codeto enable pactor iii operation with your modem. The throughput difference is more noticeable on typical shortwave channels than on awgn channels, and lies, on average, about a factor 2 compared to that of pactor3. Dr7800 is softwarecompatible with ptcii which means that one may continue to use the existing software, such as airmail, rms express, alpha, etc. The dr7400 is software compatible to the ptcii series. Your one stop for pactor mode radio modems and accessories, performance sailing.
This and the inability of users without scs modems to decode proper identification of stations transmitting with pactor ii iii has led to some heated discussion on the subject. Scs introduceert deze extreem snelle ssb email sailmail modem met pactor4. As previously reported, scs has said that the number of general ham radio users has declined to the point they are a minority of scs business. Icoms latest marine ssb transceiver, the model icm802, is popular with the voyaging community, as it is legally usable without modification on both the marine hf and amateur radio hf frequencies with appropriate licenses. Hf data modems pactor royal communications international. The multimodecontroller for pactoriii, pactorii, pactori, amtor, navtex, rtty, cw, fax, sstv, audiofilter, packetradio and psk31.
The pactor team at scs went on to develop pactor2, a twotone phaseshift encoding psk scheme. Most current pactorii modems are upgradeable to use pactoriii via a software update since pactorii firmware accommodates the new pactoriii software. The dr7800 is software compatible to the ptcii series so that existing pactor software. Transceiver frequency control for many most radio models.
How to update your modem to the professional firmware with. Dr7800 is software compatible with ptc ii which means that one may continue to use the existing software, such as airmail, rms express, alpha, etc. Pactor iv is the newest iteration of the pactor series, advancing from pactor iiii. Thanks to its reliability and low power consumption of 3 w, the new modem is also. Kenwood ts 440s940s950s radio to the scs ptciiusbiiproiiiieiiex interconnecting cable. Installation guide, usb cable, audio cable connector at one end, raw wires at the other end, power connector and cdrom. This mode is used exclusively in scs s p4dragon series of shortwave data modems.