What is a Pactor modem?
PACTOR is a radio modulation mode used by amateur radio operators, marine radio stations, military or government users such as the US Department of Homeland Security, and radio stations in isolated areas to send and receive digital information via radio.
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 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?
pactor m (genitive pactōris); third declension. One who makes a contract or treaty; negotiator.
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 does CW stand for in ham radio?
continuous waves
by Jack Wagoner WB8FSV 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.
Does anyone still use RTTY?
However with the arrival of computers and their greater level of flexibility and sophistication, other more efficient types of digimode are available but despite this, the amateur RTTY is still widely used.
What is PSK frequency?
PSK31 Frequencies
| Frequency | Amateur Band |
|---|---|
| 7.070 MHz* | 40 meter (regions 2) |
| 10.142 MHz | 30 meter |
| 14.070 MHz | 20 meter |
| 18.097 MHz** | 17 meter |
What does SSB mean in ham radio?
Single Sideband
SSB (Single Sideband) is an obscure but very important way to communicate via radio. It is used primarily for two-way voice communication by ham radio operators, aircraft and air traffic control (ATC), ships at sea, military and spy networks. Occasionally some shortwave broadcast stations use this format.
How do I use the PACTOR HF modems?
Use the Pactor modems to send wireless e-mail, transfer files, use real-time data links, and access weather information, all over your SSB or VHF radio. The compact HF modem P4dragon DR-7400 offers a lower-priced entry to the P4dragon modem class. The DR-7400 has been optimzed for use with the new high-end data transmission mode PACTOR-4.
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.
What is dr-7400 p4dragon PACTOR 4 modem?
DR-7400 P4dragon PACTOR 4 Modem With the DR-7400 HF/SSB PACTOR 4 modem, enter the Pactor 4 world of ultra fast data over radio at a lower cost. The P4dragon line of modems are for people serious about moving data. DR-7400 P4dragon PACTOR 4 Modem farallon.us/ My Cart | Checkout | Order Status
What is pactor-4 technology?
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. With totally new hardware and firmware designs, Pactor-4’s maximum throughput speed of 10,500 bps. is twice (2X) that of Pactor-III.