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EI2GYB > PACKET 29.11.22 11:00l 98 Lines 8278 Bytes #999 (0) @ WW
BID : 7228_EI2GYB
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Subj: INTRODUCTION TO PACKET RADIO - PART 11
Path: IW8PGT<LU4ECL<LU9DCE<KD6MTU<N5MDT<EI2GYB
Sent: 221129/0840Z 7228@EI2GYB.DGL.IRL.EURO BPQ6.0.23
INTRODUCTION TO PACKET RADIO - PART 11
by Larry Kenney, WB9LOZ
USING THE NODE NETWORK - PART 2 OF 2
COMMANDS
....continued from part 10
ROUTES: The ROUTES command (abbreviated as R) will give you a list of the direct routes to other nodes from the node you're using. The direct routes are the ones where the node can connect directly to the other node. The quality of each route is shown along with the obsolescence count. (See the NODES command in part 10 for an explanation of obsolescence count.) Any route marked with an exclamation point (!) means that the route values have been entered manually by the owner of the node and it usually means that the route is not reliable for regular use.
USERS: The USERS command (abbreviated as U) will show you the callsigns of all the stations now using the node that you're connected to. There are five descriptions used by the node to describe how users are connected:
UPLINK: The station indicated is connected directly to the node.
DOWNLINK: The node has made a connection from the first station to the second station. Example:
DOWNLINK (K9AT-15 N6UWK)
would mean that the node connected to N6UWK at the request of K9AT.
CIRCUIT: Indicates that the station indicated has connected FROM another node when the node and user callsign are on the left of the <--> and indicates that the station has connected TO another node if node is on the right of the <-->. If you see dashes between the arrows, the circuit is in use. If you see <~~>, the connection is in progress. The alias and call of any other nodes being used are shown prior to the user's callsign. Examples:
Circuit (SFW:W6PW-1 WA6DDM) <--> AA6ZV would mean that WA6DDM is using this node, that he connected to it from the SFW node and is now connected to AA6ZV.
N6PGH <--> Circuit (DIA:WB6SDS-2 N6PGH) would mean that N6PGH connected direct to this node and has connected to the DIA node.
Circuit (SSF2:KA6EYH-2 KK6SD) <~~> (AMCYN:WZ6X-2) indicates that KK6SD has connected to the node you're using from the SSF2 node and is now attempting to connect to the AMCYN node.
CQ: See "CQ command" below.
HOST: The user is connected directly from the node terminal. This is seen when the owner of the node is a user, or the BBS associated with the node is using it to forward messages.
CQ: The CQ command is used both for calling CQ and for replying to the CQ of another station. The command is available only in the latest versions of NET/ROM and TheNet. Enter a ? when connected to a node to see if it's available there. The CQ command is used to transmit a short text message from a node, and is also used to enable stations that receive the transmission to connect to the station that originated it. The command is entered as:
CQ textmessage
The "textmessage" can be any information up to 77 characters long including spaces and punctuation, and it's optional. In response to a CQ command, the node transmits the specified textmessage in "unproto" mode, using the callsign of the originating user as the source and "CQ" as the destination. As with all node transmissions, the SSID will be translated; that is, the SSID will be 15-N, where N is the SSID of the original callsign. WB9LOZ-0 would become WB9LOZ-15, WB9LOZ-1 would become WB9LOZ-14, etc.
Here is an example of how the node CQ command is used: If station W6XYZ-3 connects to a node and issues the command:
CQ Anybody around tonight?
the node would then transmit:
W6XYZ-12>CQ:Anybody around tonight?
After making the transmission in response to the CQ command, the node arms a mechanism to permit other stations to reply to the CQ. A station wishing to reply may do so simply by connecting to the originating callsign shown in the CQ transmission (W6XYZ-12 in the example above). Note here that you connect to the station using the translated SSID. A CQ command remains armed to accept replies for 15 minutes, or until the originating user issues another command or disconnects from the node.
Any station connected to a node may determine if there are any stations awaiting a reply to a CQ by issuing a USERS command. An armed CQ channel appears in the USERS display as:
(Circuit, Host, or Uplink) <~~> CQ(usercall)
The station may reply to such a pending CQ by issuing a CONNECT to the user callsign specified in the CQ(...) portion of the USERS display--it is not necessary for the station to disconnect from the node and reconnect.
Here's what a typical transmission would look like: (bold text = entered by user)
cmd: C W6PW-1
cmd: *** Connected to W6PW-1
USERS
{SFW:W6PW-1} NET/ROM 1.3 (669)
Uplink(K9AT)
Circuit(LAS:K7WS-1 W1XYZ) <~~> CQ(W1XYZ-15)
Uplink(WB6QVU) <--> Circuit(SFBBS:W6PW-3 WB6QVU)
CONNECT W1XYZ-15
{SFW:W6PW-1} Connected to W1XYZ
Hello! This is George in San Francisco
Hi George! Thanks for answering my CQ. etc.
Users of the CQ command are cautioned to be patient in waiting for a response. Remember, your CQ will remain armed for 15 minutes, and will be visible to any user who issues a USERS command at the node during that time. Wait a few minutes before issuing another CQ to give other stations a chance to reply to your first one! Don't be surprised, however, if you don't receive a response. For some unknown reason, I've found that very few users take advantage of the feature. When you connect to a distant node, the CQ command is a great way to start a QSO with a station in that area, but more users need to be made aware of the CQ feature before it will become very useful.
BBS: The BBS command (which cannot be abbreviated) is available on nodes using the G8BPQ software and having an associated packet bulletin board system. Entering BBS will connect you to the associated BBS.
IDENT: The IDENT command (abbreviated as I) found on NET/ROM nodes will give you the identification of the node you're using. INFO: The INFO command (abbreviated as I) found on TheNet nodes will give you information about the node, usually the alias, callsign and location.
INFO: The INFO command (abbreviated as I) found on G8BPQ nodes will give you the identification of the node and a list of the commands available.
MHEARD: The MHEARD command (abbreviated as M) found on TheNet and G8BPQ nodes will give you a list of stations heard by the node. If the node has more than one port, you must specify which port you want the listing for by entering a space after the M and then the port number. Examples:
M 1 will give you a list for port 1
M 2 will give you a list for port 2
Use the PORTS (P) command to get a list of the ports and the associated frequencies.
PARMS: The PARMS (Parameters) command (abbreviated as P) found on NET/ROM and TheNet nodes is for the owner's use in determining how his station is working. It will give you a list of the node's parameters.
PORTS: The PORTS command (abbreviated as P) found on G8GPQ nodes will list the frequencies of all ports available.
BYE: The BYE command (abbreviated as B) is available on TheNet and G8BPQ nodes. It's used for disconnecting from the node. If the node has other software, you must disconnect using the D command in your TNC.
?: Entering a ? will give you a list of the commands available on the node.
Remember, when you are connected to a network of nodes, any commands you send will be directed to the last node you connected to.
Part 11 last revised December 3, 1996.
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