I feel Michael, N6MEF is right. There are a number of folks waiting
for an appliance-like device. Even if it's lower speed. Like I said
as long as it's priced right (about the price of a dual band radio is
reasonable).
While I'd really like to see a couple Mbps, as long as its capable of
doing a gsm audio stream or something like that it will be fun.
Something that will work in my car, with a raspberry Pi attached, to
create my own digital voice thing of sorts, or maybe plug an IP phone
into.
Yes this day in age its sad we will settle for dial-up speeds, but hey
its a start till someone like Bruce Perens takes over the ARRL :-)
I have hemmed and hawed over plunking down the money on something
other than a receive only SDR like the RTL, NooElec, SDRplay stuff
that I have been playing with. But that 5-10 mW out of the BladeRF,
etc really isn't useful to me. We need some low drive amps at a
decent price.
Steve
I hope there is something. Wisconsin is the land of heavy tree cover,
and where I am, the geography is pretty flat, so obtaining
line-of-site really requires a well connected person/club to get
access to commercial tower sites.
So while lower speeds are less desirable, if there is some power
behind the thing to go more than a few blocks non line of site, I'll
give it a try if it's priced right.
>Unless they've come up with a modulation scheme which overcomes the
>multipath distortion of transmitted symbols, I believe line of sight is
>practically a necessity.
>
>But I'll be the first to admit that my communications theory knowledge
>is now many decades old. Perhaps there is a way around it.
>- Brian
[Notice the entry in the middle of page 3. This is the first publication
of the assignment of network 44 to amateur radio that we can find. - Brian]
---
Network Working Group J. Postel
Request for Comments: 790 ISI
September 1981
Obsoletes RFCs: 776, 770, 762, 758,
755, 750, 739, 604, 503, 433, 349
Obsoletes IENs: 127, 117, 93
ASSIGNED NUMBERS
This Network Working Group Request for Comments documents the currently
assigned values from several series of numbers used in network protocol
implementations. This RFC will be updated periodically, and in any case
current information can be obtained from Jon Postel. The assignment of
numbers is also handled by Jon. If you are developing a protocol or
application that will require the use of a link, socket, port, protocol,
or network number please contact Jon to receive a number assignment.
Jon Postel
USC - Information Sciences Institute
4676 Admiralty Way
Marina del Rey, California 90291
phone: (213) 822-1511
ARPANET mail: POSTEL@ISIF
Most of the protocols mentioned here are documented in the RFC series of
notes. The more prominent and more generally used are documented in the
Protocol Handbook [17] prepared by the Network Information Center (NIC).
Some of the items listed are undocumented. In all cases the name and
mailbox of the responsible individual is indicated. In the lists that
follow, a bracketed entry, e.g., [17,iii], at the right hand margin of
the page indicates a reference for the listed protocol, where the number
cites the document and the "iii" cites the person.
Postel [Page 1]
RFC 790 September 1981
Assigned Numbers
Network Numbers
ASSIGNED NETWORK NUMBERS
This list of network numbers is used in the internet address [33].
The Internet Protocol (IP) uses a 32 bit address and divides that
address into a network part and a "rest" or local address part. The
division takes 3 forms or classes.
The first type, or class a, of address has a 7-bit network number
and a 24-bit local address. This allows 128 class a networks.
1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|0| NETWORK | Local Address |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Class A Address
The second type, or class b, of address has a 14-bit network
number and a 16-bit local address. This allows 16,384 class b
networks.
1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|1 0| NETWORK | Local Address |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Class B Address
The third type, or class c, of address has a 21-bit network number
and a 8-bit local address. This allows 2,097,152 class c
networks.
1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|1 1 0| NETWORK | Local Address |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Class C Address
One notation for internet host addresses commonly used divides the
32-bit address into four 8-bit fields and specifies the value of each
field as a decimal number with the fields separated by periods. For
example, the internet address of ISIF is 010.020.000.052.
This notation will be used in the listing of assigned network
Postel [Page 2]
RFC 790 September 1981
Assigned Numbers
Network Numbers
numbers. The class a networks will have nnn.rrr.rrr.rrr, the class b
networks will have nnn.nnn.rrr.rrr, and the class c networks will
have nnn.nnn.nnn.rrr, where nnn represents part or all of a network
number and rrr represents part or all of a local address or rest
field.
Assigned Network Numbers
Class A Networks
Internet Address Name Network References
---------------- ---- ------- ----------
000.rrr.rrr.rrr Reserved [JBP]
001.rrr.rrr.rrr BBN-PR BBN Packet Radio Network [DCA2]
002.rrr.rrr.rrr SF-PR-1 SF Packet Radio Network (1) [JEM]
003.rrr.rrr.rrr BBN-RCC BBN RCC Network [SGC]
004.rrr.rrr.rrr SATNET Atlantic Satellite Network [DM11]
005.rrr.rrr.rrr SILL-PR Ft. Sill Packet Radio Network[JEM]
006.rrr.rrr.rrr SF-PR-2 SF Packet Radio Network (2) [JEM]
007.rrr.rrr.rrr CHAOS MIT CHAOS Network [MOON]
008.rrr.rrr.rrr CLARKNET SATNET subnet for Clarksburg[DM11]
009.rrr.rrr.rrr BRAGG-PR Ft. Bragg Packet Radio Net [JEM]
010.rrr.rrr.rrr ARPANET ARPANET [17,1,VGC]
011.rrr.rrr.rrr UCLNET University College London [PK]
012.rrr.rrr.rrr CYCLADES CYCLADES [VGC]
013.rrr.rrr.rrr Unassigned [JBP]
014.rrr.rrr.rrr TELENET TELENET [VGC]
015.rrr.rrr.rrr EPSS British Post Office EPSS [PK]
016.rrr.rrr.rrr DATAPAC DATAPAC [VGC]
017.rrr.rrr.rrr TRANSPAC TRANSPAC [VGC]
018.rrr.rrr.rrr LCSNET MIT LCS Network [43,10,DDC2]
019.rrr.rrr.rrr TYMNET TYMNET [VGC]
020.rrr.rrr.rrr DC-PR D.C. Packet Radio Network [VGC]
021.rrr.rrr.rrr EDN DCEC EDN [EC5]
022.rrr.rrr.rrr DIALNET DIALNET [26,16,MRC]
023.rrr.rrr.rrr MITRE MITRE Cablenet [44,APS]
024.rrr.rrr.rrr BBN-LOCAL BBN Local Network [SGC]
025.rrr.rrr.rrr RSRE-PPSN RSRE / PPSN [BD2]
026.rrr.rrr.rrr AUTODIN-II AUTODIN II [EC5]
027.rrr.rrr.rrr NOSC-LCCN NOSC / LCCN [KTP]
028.rrr.rrr.rrr WIDEBAND Wide Band Satellite Network [CJW2]
029.rrr.rrr.rrr DCN-COMSAT COMSAT Dist. Comp. Network [DLM1]
030.rrr.rrr.rrr DCN-UCL UCL Dist. Comp. Network [PK]
031.rrr.rrr.rrr BBN-SAT-TEST BBN SATNET Test Network [DM11]
032.rrr.rrr.rrr UCL-CR1 UCL Cambridge Ring 1 [PK]
033.rrr.rrr.rrr UCL-CR2 UCL Cambridge Ring 2 [PK]
034.rrr.rrr.rrr MATNET Mobile Access Terminal Net [DM11]
035.rrr.rrr.rrr NULL UCL/RSRE Null Network [BD2]
Postel [Page 3]
RFC 790 September 1981
Assigned Numbers
Network Numbers
036.rrr.rrr.rrr SU-NET Stanford University Ethernet [MRC]
037.rrr.rrr.rrr DECNET Digital Equipment Network [DRL]
038.rrr.rrr.rrr DECNET-TEST Test Digital Equipment Net [DRL]
039.rrr.rrr.rrr SRINET SRI Local Network [GEOF]
040.rrr.rrr.rrr CISLNET CISL Multics Network [CH2]
041.rrr.rrr.rrr BBN-LN-TEST BBN Local Network Testbed [KTP]
042.rrr.rrr.rrr S1NET LLL-S1-NET [EAK]
043.rrr.rrr.rrr INTELPOST COMSAT INTELPOST [DLM1]
044.rrr.rrr.rrr AMPRNET Amature Radio Experiment Net [HM]
045.rrr.rrr.rrr-126.rrr.rrr.rrr Unassigned [JBP]
127.rrr.rrr.rrr Reserved [JBP]
Class B Networks
Internet Address Name Network References
---------------- ---- ------- ----------
128.000.rrr.rrr Reserved [JBP]
128.001.rrr.rrr-128.254.rrr.rrr Unassigned [JBP]
191.255.rrr.rrr Reserved [JBP]
Class C Networks
Internet Address Name Network References
---------------- ---- ------- ----------
192.000.001.rrr Reserved [JBP]
192.000.001.rrr-223.255.254.rrr Unassigned [JBP]
223.255.255.rrr Reserved [JBP]
Other Reserved Internet Addresses
Internet Address Name Network References
---------------- ---- ------- ----------
224.000.000.000-255.255.255.255 Reserved [JBP]
Postel [Page 4]
RFC 790 September 1981
Assigned Numbers
Internet Version Numbers
ASSIGNED INTERNET VERSION NUMBERS
In the Internet Protocol (IP) [33] there is a field to identify the
version of the internetwork general protocol. This field is 4 bits
in size.
Assigned Internet Version Numbers
Decimal Octal Version References
------- ----- ------- ----------
0 0 Reserved [JBP]
1-3 1-3 Unassigned [JBP]
4 4 Internet Protocol [33,JBP]
5 5 ST Datagram Mode [20,JWF]
6-14 6-16 Unassigned [JBP]
15 17 Reserved [JBP]
Postel [Page 5]
RFC 790 September 1981
Assigned Numbers
Internet Protocol Numbers
ASSIGNED INTERNET PROTOCOL NUMBERS
In the Internet Protocol (IP) [33] there is a field, called Protocol,
to identify the the next level protocol. This is an 8 bit field.
Assigned Internet Protocol Numbers
Decimal Octal Protocol Numbers References
------- ----- ---------------- ----------
0 0 Reserved [JBP]
1 1 ICMP [53,JBP]
2 2 Unassigned [JBP]
3 3 Gateway-to-Gateway [48,49,VMS]
4 4 CMCC Gateway Monitoring Message [18,19,DFP]
5 5 ST [20,JWF]
6 6 TCP [34,JBP]
7 7 UCL [PK]
8 10 Unassigned [JBP]
9 11 Secure [VGC]
10 12 BBN RCC Monitoring [VMS]
11 13 NVP [12,DC]
12 14 PUP [4,EAT3]
13 15 Pluribus [RDB2]
14 16 Telenet [RDB2]
15 17 XNET [25,JFH2]
16 20 Chaos [MOON]
17 21 User Datagram [42,JBP]
18 22 Multiplexing [13,JBP]
19 23 DCN [DLM1]
20 24 TAC Monitoring [55,RH6]
21-62 25-76 Unassigned [JBP]
63 77 any local network [JBP]
64 100 SATNET and Backroom EXPAK [DM11]
65 101 MIT Subnet Support [NC3]
66-68 102-104 Unassigned [JBP]
69 105 SATNET Monitoring [DM11]
70 106 Unassigned [JBP]
71 107 Internet Packet Core Utility [DM11]
72-75 110-113 Unassigned [JBP]
76 114 Backroom SATNET Monitoring [DM11]
77 115 Unassigned [JBP]
78 116 WIDEBAND Monitoring [DM11]
79 117 WIDEBAND EXPAK [DM11]
80-254 120-376 Unassigned [JBP]
255 377 Reserved [JBP]
Postel [Page 6]
RFC 790 September 1981
Assigned Numbers
Port or Socket Numbers
ASSIGNED PORT or SOCKET NUMBERS
Ports are used in the TCP [34] and sockets are used in the AHHP
[28,17] to name the ends of logical connections which carry long term
conversations. For the purpose of providing services to unknown
callers a service contact socket is defined. This list specifies the
port or socket used by the server process as its contact socket. In
the AHHP an Initial Connection Procedure ICP [39,17] is used between
the user process and the server process to make the initial contact
and establish the long term connections leaving the contact socket
free to handle other callers. In the TCP no ICP is necessary since a
port may engage in many simultaneous connections.
To the extent possible these same port assignments are used with UDP
[42].
The assigned ports/sockets use a small part of the possible
port/socket numbers. The assigned ports/sockets have all except the
low order eight bits cleared to zero. The low order eight bits are
specified here.
Socket Assignments:
General Assignments:
Decimal Octal Description
------- ----- -----------
0-63 0-77 Network Wide Standard Function
64-131 100-203 Hosts Specific Functions
132-223 204-337 Reserved for Future Use
224-255 340-377 Any Experimental Function
Postel [Page 7]
RFC 790 September 1981
Assigned Numbers
Port or Socket Numbers
Specific Assignments:
Network Standard Functions
Decimal Octal Description References
------- ----- ----------- ----------
1 1 Old Telnet [40,JBP]
3 3 Old File Transfer [27,11,24,JBP]
5 5 Remote Job Entry [6,17,JBP]
7 7 Echo [35,JBP]
9 11 Discard [32,JBP]
11 13 Who is on or SYSTAT [JBP]
13 15 Date and Time [JBP]
15 17 Who is up or NETSTAT [JBP]
17 21 Short Text Message [JBP]
19 23 Character generator or TTYTST [31,JBP]
21 25 New File Transfer [36,JBP]
23 27 New Telnet [41,JBP]
25 31 SMTP [54,JBP]
27 33 NSW User System w/COMPASS FE [14,RHT]
29 35 MSG-3 ICP [29,RHT]
31 37 MSG-3 Authentication [29,RHT]
33 41 Unassigned [JBP]
35 43 IO Station Spooler [JBP]
37 45 Time Server [22,JBP]
39 47 Unassigned [JBP]
41 51 Graphics [46,17,JBP]
42 52 Name Server [38,JBP]
43 53 WhoIs [JAKE]
45 55 Message Processing Module [37,JBP]
47 57 NI FTP [50,CJB]
49 61 RAND Network Graphics Conference [30,MO2]
51 63 Message Generator Control [52,DFP]
53 65 AUTODIN II FTP [21,EC5]
55 67 ISI Graphics Language [3,RB6]
57 71 MTP [45,JBP]
59 73 New MIT Host Status [SWG]
61-63 75-77 Unassigned [JBP]
Postel [Page 8]
RFC 790 September 1981
Assigned Numbers
Port or Socket Numbers
Host Specific Functions
Decimal Octal Description References
------- ----- ----------- ----------
65 101 Unassigned [JBP]
67 103 Datacomputer at CCA [8,JZS]
69 105 Unassigned [JBP]
69 105 Trivial File Transfer [47,KRS]
71 107 NETRJS (EBCDIC) at UCLA-CCN [5,17,RTB]
73 111 NETRJS (ASCII-68) at UCLA-CCN [5,17,RTB]
75 113 NETRJS (ASCII-63) at UCLA-CCN [5,17,RTB]
77 115 any private RJE server [JBP]
79 117 Name or Finger [23,17,KLH]
81 121 Unassigned [JBP]
83 123 MIT ML Device [MOON]
85 125 MIT ML Device [MOON]
87 127 any terminal link [JBP]
89 131 SU/MIT Telnet Gateway [MRC]
91 133 MIT Dover Spooler [EBM]
93 135 BBN RCC Accounting [DT]
95 137 SUPDUP [15,MRC]
97 141 Datacomputer Status [8,JZS]
99 143 CADC - NIFTP via UCL [PLH]
101 145 NPL - NIFTP via UCL [PLH]
103 147 BNPL - NIFTP via UCL [PLH]
105 151 CAMBRIDGE - NIFTP via UCL [PLH]
107 153 HARWELL - NIFTP via UCL [PLH]
109 155 SWURCC - NIFTP via UCL [PLH]
111 157 ESSEX - NIFTP via UCL [PLH]
113 161 RUTHERFORD - NIFTP via UCL [PLH]
115-129 163-201 Unassigned [JBP]
131 203 Datacomputer [8,JZS]
Reserved for Future Use
Decimal Octal Description References
------- ----- ----------- ----------
132-223 204-337 Reserved [JBP]
Postel [Page 9]
RFC 790 September 1981
Assigned Numbers
Port or Socket Numbers
Experimental Functions
Decimal Octal Description References
------- ----- ----------- ----------
224-239 340-357 Unassigned [JBP]
241 361 NCP Measurement [9,JBP]
243 363 Survey Measurement [2,AV]
245 365 LINK [7,RDB2]
247 367 TIPSRV [RHT]
249-255 371-377 RSEXEC [51,RHT]
ASSIGNED LINK NUMBERS
The word "link" here refers to a field in the original ARPANET
Host/IMP interface leader. The link was originally defined as an 8
bit field. Some time after the ARPANET Host-to-Host (AHHP) protocol
was defined and, by now, some time ago the definition of this field
was changed to "Message-ID" and the length to 12 bits. The name link
now refers to the high order 8 bits of this 12 bit message-id field.
The low order 4 bits of the message-id field are to be zero unless
specifically specified otherwise for the particular protocol used on
that link. The Host/IMP interface is defined in BBN report 1822 [1].
Link Assignments:
Decimal Octal Description References
------- ----- ----------- ----------
0 0 AHHP Control Messages [28,17,JBP]
1 1 Reserved [JBP]
2-71 2-107 AHHP Regular Messages [28,17,JBP]
72-150 110-226 Reserved [JBP]
151 227 CHAOS Protocol [MOON]
152 230 PARC Universal Protocol [4,EAT3]
153 231 TIP Status Reporting [JGH]
154 232 TIP Accounting [JGH]
155 233 Internet Protocol (regular) [33,JBP]
156-158 234-236 Internet Protocol (experimental) [33,JBP]
159-191 237-277 Measurements [9,VGC]
192-195 300-303 Unassigned [JBP]
196-255 304-377 Experimental Protocols [JBP]
224-255 340-377 NVP [12,17,DC]
248-255 370-377 Network Maintenance [JGH]
Postel [Page 10]
RFC 790 September 1981
Assigned Numbers
Documents
DOCUMENTS
---------
[1] BBN, "Specifications for the Interconnection of a Host and an
IMP", Report 1822, Bolt Beranek and Newman, Cambridge,
Massachusetts, May 1978.
[2] Bhushan, A., "A Report on the Survey Project", RFC 530,
NIC 17375, 22 June 1973.
[3] Bisbey, R., D. Hollingworth, and B. Britt, "Graphics Language
(version 2.1)", ISI/TM-80-18, USC/Information Sciences
Institute, July 1980.
[4] Boggs, D., J. Shoch, E. Taft, and R. Metcalfe, "PUP: An
Internetwork Architecture", XEROX Palo Alto Research Center,
CSL-79-10, July 1979; also in IEEE Transactions on
Communication, Volume COM-28, Number 4, April 1980.
[5] Braden, R., "NETRJS Protocol", RFC 740, NIC 42423,
22 November 1977. Also in [17].
[6] Bressler, B., "Remote Job Entry Protocol", RFC 407, NIC
12112, 16 October 72. Also in [17].
[7] Bressler, R., "Inter-Entity Communication -- An Experiment",
RFC 441, NIC 13773, 19 January 1973.
[8] CCA, "Datacomputer Version 5/4 User Manual", Computer
Corporation of America, August 1979.
[9] Cerf, V., "NCP Statistics", RFC 388, NIC 11360,
23 August 1972.
[10] Clark, D., "Revision of DSP Specification", Local Network Note
9, Laboratory for Computer Science, MIT, 17 June 1977.
[11] Clements, R., "FTPSRV -- Extensions for Tenex Paged Files",
RFC 683, NIC 32251, 3 April 1975. Also in [17].
[12] Cohen, D., "Specifications for the Network Voice Protocol
(NVP)", NSC Note 68, 29 January 1976. Also as USC/Information
Sciences Institute RR-75-39, March 1976, and as RFC 741,
NIC 42444, 22 November 1977. Also in [17].
[13] Cohen, D. and J. Postel, "Multiplexing Protocol", IEN 90,
USC/Information Sciences Institute, May 1979.
Postel [Page 11]
RFC 790 September 1981
Assigned Numbers
Documents
[14] COMPASS, "Semi-Annual Technical Report", CADD-7603-0411,
Massachusetts Computer Associates, 4 March 1976. Also as,
"National Software Works, Status Report No. 1",
RADC-TR-76-276, Volume 1, September 1976. And COMPASS. "Second
Semi-Annual Report", CADD-7608-1611, Massachusetts Computer
Associates, 16 August 1976.
[15] Crispin, M., "SUPDUP Protocol", RFC 734, NIC 41953,
7 October 1977. Also in [17].
[16] Crispin, M. and I. Zabala, "DIALNET Protocols", Stanford
University Artificial Intelligence Laboratory, July 1978.
[17] Feinler, E. and J. Postel, eds., "ARPANET Protocol Handbook",
NIC 7104, for the Defense Communications Agency by SRI
International, Menlo Park, California, Revised January 1978.
[18] Flood Page, D., "Gateway Monitoring Protocol", IEN 131,
February 1980.
[19] Flood Page, D., "CMCC Performance Measurement Message
Formats", IEN 157, September 1980.
[20] Forgie, J., "ST - A Proposed Internet Stream Protocol",
IEN 119, M.I.T. Lincoln Laboratory, September 1979.
[21] Forsdick, H., and A. McKenzie, "FTP Functional Specification",
Bolt Beranek and Newman, Report 4051, August 1979.
[22] Harrenstien, K., J. Postel, "Time Server", IEN 142,
April 1980. Also in [17].
[23] Harrenstien, K., "Name/Finger", RFC 742, NIC 42758,
30 December 1977. Also in [17].
[24] Harvey, B., "One More Try on the FTP", RFC 691, NIC 32700,
6 June 1975.
[25] Haverty, J., "XNET Formats for Internet Protocol Version 4",
IEN 158, October 1980.
[26] McCarthy, J. and L. Earnest, "DIALNET", Stanford University
Artificial Intelligence Laboratory, Undated.
[27] McKenzie, A., "File Transfer Protocol", RFC 454, NIC 14333,
16 February 1973.
Postel [Page 12]
RFC 790 September 1981
Assigned Numbers
Documents
[28] McKenzie,A., "Host/Host Protocol for the ARPA Network",
NIC 8246, January 1972. Also in [17].
[29] NSW Protocol Committee, "MSG: The Interprocess Communication
Facility for the National Software Works", CADD-7612-2411,
Massachusetts Computer Associates, BBN 3237, Bolt Beranek and
Newman, Revised 24 December 1976.
[30] O'Brien, M., "A Network Graphical Conferencing System", RAND
Corporation, N-1250-ARPA, August 1979.
[31] Postel, J., "Character Generator Process", RFC 429, NIC 13281,
12 December 1972.
[32] Postel, J., "Discard Process", RFC 348, NIC 10427,
30 May 1972.
[33] Postel, J., ed., "Internet Protocol - DARPA Internet Program
Protocol Specification", RFC 791, USC/Information Sciences
Institute, September 1981.
[34] Postel, J., ed., "Transmission Control Protocol - DARPA
Internet Program Protocol Specification", RFC 793,
USC/Information Sciences Institute, September 1981.
[35] Postel, J., "Echo Process", RFC 347, NIC 10426, 30 May 1972.
[36] Postel, J., "File Transfer Protocol", RFC 765, IEN 149,
June 1980.
[37] Postel, J., "Internet Message Protocol", RFC 759, IEN 113,
USC/Information Sciences Institute, August 1980.
[38] Postel, J., "Name Server", IEN 116, USC/Information Sciences
Institute, August 1979.
[39] Postel, J., "Official Initial Connection Protocol", NIC 7101,
11 June 1971. Also in [17].
[40] Postel, J., "Telnet Protocol", RFC 318, NIC 9348,
3 April 1972.
[41] Postel, J., "Telnet Protocol Specification", RFC 764, IEN 148,
June 1980.
[42] Postel, J., "User Datagram Protocol", RFC 768 USC/Information
Sciences Institute, August 1980.
Postel [Page 13]
RFC 790 September 1981
Assigned Numbers
Documents
[43] Reed, D., "Protocols for the LCS Network", Local Network Note
3, Laboratory for Computer Science, MIT, 29 November 1976.
[44] Skelton, A., S. Holmgren, and D. Wood, "The MITRE Cablenet
Project", IEN 96, April 1979.
[45] Sluizer, S., and J. Postel, "Mail Transfer Protocol", RFC 780,
USC/Information Sciences Institute, May 1981.
[46] Sproull, R., and E. Thomas. "A Networks Graphics Protocol",
NIC 24308, 16 August 1974. Also in [17].
[47] Sollins, K., "The TFTP Protocol (revision 2)", RFC 783,
MIT/LCS, June 1981.
[48] Strazisar, V., "Gateway Routing: An Implementation
Specification", IEN 30, Bolt Berenak and Newman, April 1979.
[49] Strazisar, V., "How to Build a Gateway", IEN 109, Bolt Berenak
and Newman, August 1979.
[50] The High Level Protocol Group, "A Network Independent File
Transfer Protocol", INWG Protocol Note 86, December 1977.
[51] Thomas, R., "A Resource Sharing Executive for the ARPANET",
AFIPS Conference Proceedings, 42:155-163, NCC, 1973.
[52] Flood Page, D., "A Simple Message Generator", IEN 172, Bolt
Berenak and Newman, March 1981.
[53] Postel, J., "Internet Control Message Protocol - DARPA
Internet Program Protocol Specification", RFC 792,
USC/Information Sciences Institute, September 1981.
[54] Postel, J., "Simple Mail Transfer Protocol", RFC 788,
USC/Information Sciences Institute, September 1981.
[55] Littauer, B., "A Host Monitoring Protocol"", IEN 197, Bolt
Berenak and Newman, September 1981.
Postel [Page 14]
RFC 790 September 1981
Assigned Numbers
People
PEOPLE
------
[DCA2] Don Allen BBN Allen@BBND
[CJB] Chris Bennett UCL UKSAT@ISIE
[RB6] Richard Bisbey ISI Bisbey@ISIB
[RTB] Bob Braden UCLA Braden@ISIA
[RDB2] Robert Bressler BBN Bressler@BBNE
[EC5] Ed Cain DCEC cain@EDN-Unix
[VGC] Vint Cerf ARPA Cerf@ISIA
[NC3] J. Noel Chiappa MIT JNC@MIT-XX
[SGC] Steve Chipman BBN Chipman@BBNA
[DDC2] David Clark MIT Clark@MIT-Multics
[DC] Danny Cohen ISI Cohen@ISIB
[MRC] Mark Crispin Stanford Admin.MRC@SU-SCORE
[BD2] Brian Davies RSRE T45@ISIE
[JAKE] Jake Feinler SRI Feinler@SRI-KL
[DFP] David Flood Page BBN DFloodPage@BBNE
[JWF] Jim Forgie LL Forgie@BBNC
[SWG] Stu Galley MIT SWG@MIT-DMS
[GEOF] Geoff Goodfellow SRI Geoff@DARCOM-KA
[KLH] Ken Harrenstien MIT KLH@MIT-AI
[JFH2] Jack Haverty BBN JHaverty@BBN-Unix
[JGH] Jim Herman BBN Herman@BBNE
[PLH] Peter Higginson UCL UKSAT@ISIE
[RH6] Robert Hinden BBN Hinden@BBNE
[CH2] Charles Hornig Honeywell Hornig@MIT-Multics
[EAK] Earl Killian LLL EAK@MIT-MC
[PK] Peter Kirstein UCL Kirstein@ISIA
[DRL] David Lyons DEC Lyons@DEC-2136
[HM] Hank Magnuski --- ---
[JEM] Jim Mathis SRI Mathis@SRI-KL
[DM11] Dale McNeill BBN DMcNeill@BBNE
[DLM1] David Mills COMSAT Mills@ISIE
[MOON] David Moon MIT Moon@MIT-MC
[EBM] Eliot Moss MIT EBM@MIT-XX
[MO2] Michael O'Brien RAND OBrien@RAND-Unix
[KTP] Ken Pogran BBN Pogran@BBND
[JBP] Jon Postel ISI Postel@ISIF
[JZS] Joanne Sattely CCA JZS@CCA
[APS] Anita Skelton MITRE skelton@MITRE
[KRS] Karen Sollins MIT Sollins@MIT-XX
[VMS] Virginia Strazisar BBN Strazisar@BBNA
[EAT3] Ed Taft XEROX Taft.PA@PARC
[DT] Dan Tappan BBN Tappan@BBNG
[RHT] Robert Thomas BBN Thomas@BBNA
[AV] Al Vezza MIT AV@MIT-XX
[CJW2] Cliff Weinstein LL cjw@LL-11
Postel [Page 15]
Brian,
You read my mind.
You all have to excuse John, K7VE. He represents North West Digital and
has a bias. They have been trying to develop a 70 cm data radio for a
while.
Same goes if you are on other lists and he brings up the DVSI/AMBE patents,
as NWDigital sells a hardware AMBE device.
The Oct 2013 ARRL proposal to modernize the rules for data transmissions
appears stalled. So yes, if there is an image use, its classified as an image
transmission, Not Data. The first person to use this angle was the late John
Stevensen, KD6OZH. It has since been used by David Bern, W2LNX (2012
DCC), myself and others to experiment with the Doodle Labs and Xagyl 70cm
802.11 devices.
Maybe we need to petition the FCC ourselves? I can't say I always fell the
ARRL represents what we are doing very well. And their proposal did squat
for VHF/UHF in my opinion.
Steve, KB9MWR
> On Fri, Sep 1, 2017 at 10:46 AM, Brian Kantor <Brian(a)ucsd.edu> wrote:
> Why do all new-technology discussions about the ham bands degenerate
> into arguments about USA rules? No wonder most innovation takes
> place in other countries.
> - Brian
>
> On Fri, Sep 1, 2017 at 9:26 AM, K7VE - John <k7ve(a)k7ve.org> wrote:
>> Just remember, in the US, that 70cm data must fit in 100 kHz and be 56
>> kbauds (Same on the 219 Mhz band), but this is interesting work. 97.305(c)
>> and 97.307(f)6
>>
> Just remember, in the US, that 70cm data must fit in 100 kHz and be 56
> kbauds (Same on the 219 Mhz band), but this is interesting work. 97.305(c)
> and 97.307(f)6
We don't have such blanket restrictions here. Operating under the amateur radio
regulations for individuals, you can do whatever you like within the limits of the
band and conforming to established bandplans and social behaviour. With a special permit
for unattended or automatic operation (required e.g. for a repeater) you get a
frequency and bandwidth assigned, no technical details like a baudrate.
Rob
Hopefully this isn't too far off topic. I've just completed testing of
an OFDM modem using IP over DVB-T2. It uses an SDR transmitter and a
commercial DVB-T2 receiver to implement the RFC 4326 Unidirectional
Lightweight Encapsulation (ULE) for Transmission of IP Datagrams over an
MPEG-2 Transport Stream (TS). ULE is supported in the Linux kernel for
DVB receivers.
https://tools.ietf.org/html/rfc4326
It's a full-duplex modem capable of up to 50 Mbps (in both directions)
in an 8 MHz bandwidth. The current test bed consists of an Ettus B200
SDR transmitter, PCTV 292e DVB-T2 USB receiver, Kuhne down converters
for 13cm and 9cm, Microlab BK-26N diplexer and RFSpace TSA600 Vivaldi
antenna.
http://www.w6rz.net/IMG_0119.jpghttp://www.w6rz.net/traceroute.png
The transmitter is based on the DVB-T2 transmitter in GNU Radio and uses
this OOT module for the ULE protocol.
https://github.com/drmpeg/gr-ule
To reduce the latency, I've merged the DVB-T2 blocks to avoid having so
many buffers between blocks.
https://github.com/drmpeg/gr-dvbt2ll
Current test frequencies are 2305 and 3429 MHz with an 8 MHz bandwidth.
The bit-rate is 28.6 Mbps (symmetrical).
It's intended to replace commercial WiFi equipment for amateur WAN
interlinks.
Advantages:
1) Full-duplex. Adding power amplifiers, preamps, diplexers/duplexers is
easy.
2) Frequency agile. Can work on any band above 420 MHz. 70cm through 5cm
direct TX from the SDR and millimeter frequencies with an up-converter.
3) Bandwidth agile. 5, 6 ,7 and 8 MHz bandwidths.
4) May be legal on 70cm. Although I haven't implemented it yet, a small
portion of the bandwidth can be used to send a low-rate video stream
(for example, a still picture of your call sign for ID). This would
classify the emission as digital ATV, not data.
Disadvantages:
1) Latency is a bit high. It's currently 100 ms (200 ms round trip).
This is a function of buffering in GNU Radio and the USB 3.0 connection
to the SDR. An FPGA implementation of DVB-T2 and a different SDR
architecture could solve this.
2) Cost. It's difficult to compete with commercial WiFi equipment.
However, lower cost components can be used instead of the "Cadillac"
test bed I constructed. For example, a ADALM-PLUTO at $99 could be used
instead of the Ettus B200 for transmit. Two antennas instead of a
diplexer and lower cost down-converters than the Kuhne units.
3) Requires a Linux computer to run it. An Odroid XU4 may be adequate,
but I haven't tested it.
73,
Ron W6RZ
John,
I was hesitant at first. Mostly because I think you are an okay guy.
While my message might seem poor in taste, I stand by it.
I feel if you are going to play the arm chair lawyer part, then you
should be more transparent with your role with NW Digital. I don't
see you pointing out other rules issues, just things in those two
areas, which ironically are directly related to NWdigital.
I do applaud your recent AMBE effort, offering a discount on the xlxd
list to aide development efforts, rather than the usual approach.
Moving forward I'd like to see less poo-pooing, and more doing not
just on this list, but though out the hobby. Folks are expected to
know the rules are part of their entrance test into the hobby. I am
not an official observer, nor a lawyer, and suspect the same is with
you. We have no obligation to remind others that obligation is on
each operators shoulders alone.
If you want to do things that help NWdigital, I don't have a problem
with you becoming the person to spear-head a more aggressive data
rules overhaul proposal to the FCC. This is because its not just
beneficial to NWDigital, but to amateur radio as a whole. I can't
speak for others on this however, as I am sure operators of other
modes may feel differently. I do encourage you to survey the odds and
consider working in this positive manner to have these modernized,
over the "old-man get off my lawn approach" that I have seen.
Now on to a new subject that is more productive please.
73
Steve, KB9MWR
It's come to my attention that some of our worldwide slave nameservers are
not updating when changes are made to the DNS on our master
nameserver, 'ampr.org' (44.0.0.1).
It will take me a while to contact the operators of those nameservers
to ensure that their configurations are correct for them to get the
latest changes as they occur.
In the meantime, there may be differences in the answers you get
regarding new entries in the DNS depending on which nameserver your
query is actually made to.
The way to tell if a particular nameserver is current is to examine
the serial number in the ampr.org SOA record as retrieved from it
and compare that with the SOA from ampr.org (44.0.0.1). I use the
'dig' tool for this purpose; there are other tools as well.
- Brian
Hi all
thanks for testing ping 44.177.10.254.
I apologize re 44.177.10.254 node callsign. It's OK0NMG.
For Brian: ok0nmg.ampr.org (or maybe gw.ok0nmg.ampr.org)
was registered for 44.177.10.254 in ampr.org DNS some monthes ago, maybe
years. But disappeared.
It was registered by OK2OP (Czech coordinator) who
unfortunately passed away and there is no Czech callsign
coordinator up to now. I asked Chris who is listed in amprnet
coordinators for Czech rep. but he says he is not able
to provide DNS registering.
For Peter ZL2BAU: Peter 44.177.10.10 is not changed and I do
not know why it is impossible to ping it from your system.
It can be pinged from N1URO, VE2PKT, VK6HGR and others.
Re 44.177.10.254 - it is node OK0NMG:CZGATE. I am sysop of
it as well. It is of different net then 44.177.10.10.
For Tom SP2L: Thanks for test/reply.
73
Dalibor
Hello,
I've just provisioned with a 44.182.24.0/24 subnet.I have a DD-WRT box on TP-Link TL-WDR3600 and a Ubiquiti NanoStation Loco M2.I want to interconnect with somebody via VPN for the moment. I am located in Romania and i have a static public IP from ISP.
Can you please provide me a little help?
Thank you in advance!
Sent from my Samsung Galaxy smartphone.
