Why are Pactor modems so expensive?
56k modems cost “nothing” because they make millions of them per year (Hundreds of millions actually including the soft-modems). Pactor machines cost lots because they only make a thousand or so of them (I’d guess) per year.
What can you do with a Pactor modem?
Newer PACTOR modes are used to transfer large binary data files and Internet e-mail, particularly via the Winlink global e-mail system. The SailMail network transfers e-mail on behalf of marine stations.
Is Pactor legal?
ARRL Tries to Legalize PACTOR 4 with FCC RM-11708. NOVEMBER 21, 2013: Delivered to the Consumer and Governmental Affairs Bureau as a PUBLIC NOTICE.
Is Pactor still used?
PACTOR STILL SURVIVES! But not much in Ham Radio. Even now internet access is rapidly increasing worldwide which continues to replace PACTOR operations at a much lower cost.
What is Pactor protocol?
PROTOCOL PACTOR operates over half-duplex links and uses an Automatic Repeat reQuest (ARQ) protocol, acknowledging each individual data packet with a short Control Signal (CS). Some PACTOR implementations provide a Memory-ARQ feature to determine and store the relative strength of each received bit.
What does Pactor stand for?
What Does PACTOR Mean? PACTOR is a new form of data transmission that combines two prior methods called packet radio and AMTOR, a form of radio teletype messaging.
What does CW stand for in ham radio?
continuous waves
As a true ham radio fanatic, my personal favorite ham activity is yakking with other hams in Morse Code, also called CW(for continuous waves). Morse Code has a mystique to it, it is an extremely cool method with which to communicate.
What does CQ stand for in ham radio?
I wish to contact any amateur station
Morse Code (CW)+ The best way to start with CW is to tune around until you hear someone calling CQ. CQ means, “I wish to contact any amateur station.” When answering a CQer you should zero beat the other ham’s frequency. That means setting your transmit frequency as close to theirs as possible.
What does SSB mean in ham radio?
single-sideband modulation
In radio communications, single-sideband modulation (SSB) or single-sideband suppressed-carrier modulation (SSB-SC) is a type of modulation used to transmit information, such as an audio signal, by radio waves. A refinement of amplitude modulation, it uses transmitter power and bandwidth more efficiently.
How do I purchase a PACTOR modem?
If you want to purchase a Pactor modem, go to the Order Pactor Modems page, look over the product offering, and then give us a call at 941.661.4498, or order over the Internet and pay by PayPal. Pactor-IV ( P4) – What is it and what does it do for me?
What is a pactor-4 modem?
With the introduction of the P4dragon modem series, SCS also announced Pactor-4 as a new mode of high performance data transmission over HF frequencies. The P4dragon stands for high sophisticated algorithms of communication engineering and the high computation power of the fourth generation PACTOR modems.
Which PACTOR modems are compatible with the dr-7400?
A Bluetooth enabled PC and the PTC-IIIusb-BT gives full modem functionality from up to 10 meters without wires with its Class II Bluetooth transceiver. The PTC-IIIusb-BT comes standard with PACTOR III. With the DR-7400 HF/SSB PACTOR 4 modem, enter the Pactor 4 world of ultra fast data over radio at a lower cost.