hart@cp1.UUCP (07/26/84)
RECENTLY I HAVE NOTICED A GROWING INTEREST IN PACKET RADIO ON
USENET. IN ORDER TO SHOW WHAT IS HAPPENING IN THE WASHINGTON D.C.
AREA I HAVE CAPTURED A SAMPLE SESSION ON THE AMRAD BRIDGE OR HF/VHF
GATEWAY SYSTEM. THE SYSTEM WAS DEVELOPED BY BOB BRUNIGA, WB4APR/W3
AND IS ACCESSED VIA THE TWO LOCAL DIGIPEATERS (WB4JFI5 - AMRAD AND
W3VD - AMSAT/JOHNS HOPKINS APPLIED PHYSICS LAB).
THE BRIDGE HAS PROVEN VERY EFFECTIVE AT ALLOWING 2 MTR STATIONS TO
COMMUNICATE WITH DISTANT STATIONS ON 10 MTRS.
HOPEFULLY THIS DATA WILL BE SELF-EXPLANATORY. I WOULD BE HAPPY TO
ANSWER QUESTIONS, BUT IT WOULD PROBABLY BE BETTER TO ADDRESS THEM TO
EITHER AMRAD OR AMSAT. PLEASE BE ADVISED, I CAN NOT RESPOND TO QUESTIONS
COMING FROM THE ARPANET.
VADCG LIPM-05.1 TIPM-05.1 <-------- RESET VADCG TNC
W3VD 5 <-------- SET DIGIPEATER ID
WB4APR5 <-------- SET HF/VHF GATEWAY ID
WB4APR5WA3MEZ0W3VD u?*CNCT**WB4APR5W3VD <-------- CONNECT PACKETS
[*** AMRAD EASTNET HF BRIDGE ***]
[SET TRACE 1080 & LFADD. USE U/C ONLY] <-------- DIGIPEATER SIGNON
[MONITOR 10MHZ AND DO NOT OVERFLOW HF.]
[* TYPE HELP FOR USEFUL INFORMATION. *]
=>-HELP <-------- USER REQUEST
[** HELP FILE **]
VISUALIZE THIS BRIDGE AS TWO VADCG TNCS
CONNECTED BK-TO-BK VIA AN RS-232 RELAY
SWITCH. A VIC20 MONITORS THE FIRST TNC
WHICH CONNECTS. ALL COMMANDS ARE TO THE
VIC WHICH CONTROLS THE RELAY AND THE
OTHER TNC. A LIST OF COMMANDS FOLLOWS:
[** COMMANDS **] <-------- GATEWAY HELP FILE
HELP, NEWS, STATUS, COMMANDS, LOG
USERS HF (OR VHF), DETAILS
MONITOR ON (OR OFF), CQ (5 TIMES)
CONNECT W4XYZ, DISCONNECT
MESSAGE (TO SYSOP), BYE
=>-NEWS <-------- USER REQUEST
[** NEWS **]
THE VADIC-MODEM/TAPR PROBLEM IS SOLVED.
LOWPASS FILTER ON TXD INTO MODEM DID IT. <-------- SYSTEM NEWS
ERGO ELK NECK RPT WILL GO UP THIS WKEND
=>-STATUS <-------- USER REQUEST
[WA3MEZ>=<BRIDGE CLOSED: 2326] <-------- STATUS OF HF/VHF BRIDGE
=>-LOG <-------- USER REQUEST
*INIT* 2302 JUL 25 <-------- SYSTEM LOG
WA3MEZ 2324 JUL 25
=>-USERS HF <-------- USER REQUEST
CALL NAME BRD CITY
------ ------ --- ----------
WB4APR BOB V WASH DC
W9TD GARY T CHICAGO
W0RPK RALPH T INDIANOLA IA
VE1PAC RANDY T ALBERTA
W9HLY VERN T DECATUR IN
W3TMZ JACK T MT AIRY MD <-------- HF USER LIST
N0AN HASAN T IOWA
K7PYK T SCTSDLE AZ
K7NO DAN T PHEONIX AZ
K8KA JEFF T HARTFORD CT
WA4SZK DON T FLORENCE SC
WB6MLC KEN T FREMONT CA
=>-USERS VHF
CALL NAME BRD CITY
------ ------ --- ----------
WB4APR BOB V BOWIE MD
W3IWI TOM T COLUMBIA
K1HTV RICH T GLEN DALE
KA1GD ANDY T GLEN DALE
K3HOI JOHN V SAVAGE MD
WA3MEZ ROD V RANDLSTWN
AJ9X MIKE V COLUMBIA
K8MMO DAVE V DULLES
WB4JFI TERRY V MCLEAN VA
W4CQI CLIFF V,T WARRENTON
WB4NFB BILL V BURKE VA
W4MIB BILL V VIENNA VA <-------- HF USER LIST
WD5DBC HOWARD V BURKE VA
K3VPZ CHUCK T SHIELA WEST
WA3WQZ CHUCK V SLVR SPRING
W3AUN BILL T LANHAM MD
K3TCT BOB T MARYLAND
K3LLL JOE T LARGO MD
W4PUJ DICK T ARLINGTON
W3TMZ JACK T MT ARIY MD
W3GXT LES T REISTERTOWN
=>-DETAILS <-------- USER REQUEST
[** DETAILS **]
IN STANDBY MODE THE BRIDGE WILL USUALLY
BE OPEN IF CHANNEL ACTIVITY IS LIGHT,
OTHERWISE, CLOSED. WHEN U CONNECT, IT
CLOSES UNTIL U REOPEN IT VIA MONITOR ON
OR A CONNECT COMMAND. THE TIME STATUS <-------- ADDITIONAL SYSTEM INFO.
MESSAGE INFORMS U OF BRIDGE STATUS. IF
BRIDGE IS OPEN, TEXT BOTH WAYS WILL BE
RELAYED. SYSTEM RESETS AFTER 4 MINUTES.
DONT DISC UR SIDE EXCEPT USING BYE CMD!
=>-MONITOR ON <-------- USER REQUEST
[WA3MEZ>=<BRIDGE OPEN: 2328] <-------- PATH TO HF (10 MTRS OPENED)
=>-CQ <-------- USER REQUEST
[CQ GATEWAY DE WA3MEZ 2328]
[CQ GATEWAY DE WA3MEZ 2328]
[CQ GATEWAY DE WA3MEZ 2329] <-------- CALLING CQ
[CQ GATEWAY DE WA3MEZ 2329]
[CQ GATEWAY DE WA3MEZ 2329]
[WA3MEZ>=<BRIDGE OPEN: 2329] <-------- STATUS MESSAGE
=>-CONNECT K7NO <-------- USER REQUEST
[TRYING CNCT WITH K7NO] <-------- TRYING TO CONNECT WITH K7NO
[ NO CONNECT DETECTED ] <-------- STATUS MESSAGE
BYE <-------- BRIDGE DISCONNECT
*DISC**WB4APR5W3VD usWB4APR5WA3MEZ0W3VD <-------- DISCONNECT PACKETS
--
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signed: Rod Hart (wa3mez)
Chesapeake & Potomac Tel. Co.
Bell Atlantic Inc.
Silver Spring, Md.
gamma!cp1!hart - umcp-cs!cp1!hart - aplvax!cp1!hart
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