Ham Radio System

 

 

 

 

P.O. BOX 63161
Caracas 1050-A
Venezuela
QSL Manager EA5KB

QSL Bureau RCV


Member Profile Click YV5KXE
Member Profile Click 4M5G

 

 

I am member of the follow ham clubs
 

American Radio Relay League Amsat de Venezuela AMSAT-YV Radio Club Venezolano European Phase Shift Keying CLub
Digital Modes Club Radio Club Isla de Margarita Olivia Modes Club Grupo DX Caracas (founding team)
 

iGATE-APRS Team

 

 

This interesting activity of the ham radio share it with other colleagues in several bands and modalities, my favorite one is the digital mode in text and images, I like the experimentation and application of the theoretical concepts to calculate the technical characteristics of the current and future in the hobby, my personal concept on this takes me to the opinion that it is necessary the expansion of the technique applied in the forms of work of the hamīs say the achievement of the elevation of our technical level.

Gab and his radio shack

I share this hobby with my wife YV5LNH who supports me and she enjoys the obtained achievements in the same way, also my son who at the moment with 9 years already interests him this activity.

Another of my preferred activities in ham radio is the working satellites, it consists the communication of two or more hamīs through a built satellite especially for this activIty, at the present time among other can be named, UO-14(+), SO-50, AO-16, NO-44, AO-51, A0-40(+). I use for this a OSCAR antennas kit of Hy-Gain of 8 elements for VHF and 15 elements for UHF duplicated the elements for the type of polarity (RHCP or LHCP), a parabola antenna for 2.4 Ghz with UEK-3000 converter, and 1.2 Ghz hellical antenna, and VHF and UHF external receive amplifiers, I use the Yaesu FT-847 with the Nova-Unitrac software for Windows system for tracking computer.

I am member of the AMSAT VENEZUELA or AMSAT-YV who is member of AMSAT that grouping hamīs work satellite in world wide.
 

 

Antennas antenat.jpg (17407 bytes)
Antennas
JNOS TCPIP/AX.25 DXSPIDER CLUSTER - F6FBB BBS
APRS UI-View32 WebCams and Hosting Server
Weather Display Server Davis Weather Station
Lightning Detector Echolink Radio UHF
Nova-Unitrac Satellite Tracking

Echolink Proxy

 

 

Configuration of the Internet-Radio Gateway System (JNOS - FBB - DX CLUSTER - APRS IGATE)

The gateway system is part of the Venezuela Packet Radio Net or YVNET in which can communicate with many venezuelan hamīs radio stations.

The digital communication is carried out in several connection platforms such as AX.25, NetRom and TCP/IP, the mostly used speeds are among the values from 300 to 9600 bps.

The bands used for this communication are those assigned by the local telecomunication autority CONATEL (Concejo Nacional de Telecomunicaciones) for the hamīs use in digital mode and this frecuencies are in H.F. shared with other digital modes as the AMTOR, FEC, RTTY, PACTOR, G-TOR, PSK31, SSTV  used mostly for the DX, we also have this comunication in the bands of V.H.F. and U.H.F.

The Radio Gateway YV5KXE is located geographically to the north of the Caracas City (10 30'54" N - 66 54'02" W) with a height of 920 MSNM, and its technical characteristics are the following:

Callsign  (RF Network) YV5KXE-5

Internet Domain name yv5kxe.org

Internet Connection  ADSL high speed port

Services CONVerse, SMTP, TELNET, FTP, HTTP (www.yv5kxe.org), TTYLink, AX.25 Gateway,  meteorological WXATLAN and others

Computer Server i686 2GB (Ubuntu Linux Server) 320GB HD

Used software VE4KLM JNOS Version 2 Linux

TNC's, radios, antennas, ports and frequencies

Port 1: 145.800/825 Mhz, KPC-3Plus TNC, Yaesu FT-2500M, isopole antenna, 1200 bps to International Space Station (ISS) link port, use in APRS Igate.

Port 2: 439.025 Mhz, KPC-3 TNC, Kenwood TM-G707, antenna Cushcraft Dual, 1200 bps (puerto alternativo de usuarios)

Port 3: 145.010 Mhz, KPC-3 TNC, Yaesu FT-2400, isopole antenna, 1200 bps (YVNET Network)

Port 4: KPC-9612 TNC, Yaesu FT-847, 9600 bps, satellite antenna,  satellite tracking high speed digital port

Link to YV5KXE Gateway (telnet://yv5kxe.org)

 

BBS FBB

Jointly with the JNOS and DXCluster systems, in Windows platform works a FBB BBS (F6FBB system) that can be connected in Internet at this address:

telnet://yv5kxe.org:8051

 

DXCLUSTER SPIDER (RF Network YV5KXE)

Jointly with the JNOS and FBB systems, in Windows platform works a DXSPIDER Cluster that can be connected in Internet at this address:

Telnet Cluster: telnet://yv5kxe.org:7300

Web Cluster: http://dxc.yv5kxe.org (Java)

Wap Cluster: http://wap.yv5kxe.org (cellphone with Internet access)

Wap Cluster: http://wap1.yv5kxe.org (cellphone with WAP/WML)

Palm Cluster: http://palm.yv5kxe.org (PDA/PALM)

 

 

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Echolink / eQSO Systems YV5KXE-R UHF

This system is of connection of repeaters in chain through Internet, it suggests something as a connection to a main server that at the same time divided in different "rooms" where from your computer using Internet way you can enter to be part listening and speaking through your multimedia system (speakers and microphone). 

This system has a variant that is the main tool for the Hamīs that consists on an interface from your computer connected to these "servers" with one or several radios transmitters in frequencies of VHF, UHF or HF to achieve the communication with colleagues that possess these equipments in your area of radial covering connecting this way with different parts of the World where these rooms of conferences take place and this way to converse. 

It is of making notice that it is necessary A HAM LICENSE of your Country to be able to use these systems since it is in fact nets of  Hamīs operators that are connected via radio frequencies assigned in different countries for goverment communications entities.

As example, a Ham in certain city can converse with its portable VHF or UHF through the sign taken place by one of these "gateways" in his city with another Ham in any place of the World that has a system under similar conditions or also with Hamīs connected directly by Internet to these "servers."

Several programs exist: 

EchoLink - M0CSH

 

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Real-Time Solar Wind Graphic data

Graphic Parameters

 

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Radio Amateur Satellites
Passes Over Caracas City

 

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APRS

The APRS (Automatic Packet Reporting System) basically consists on a system of report of stations positioning by the transmission of Packet Radio UNPROTO frames or packets without numeration. APRS station is conformed by a transceiver with their antenna, a TNC (Terminal Node Controler), optionally a GPS (mostly movil stations) and computer with a APRS program. When being given the transmission in a frequency of the APRS packages (unproto) all the stations copy it for that moment and if they are being part of this Net well it is with a APRS program  and TNC configured for this end, they copied the location of the transmiter station jointly with another series of valuable data as their operation condition, like it can be:
 

Meteorological stations with their report of the local weather conditions
Gateway communication stations among the nets APRS of HF-VHF(UHF)
Movil stations with their location and some basic characteristics
DX-Clusters with propagation informations
Ham stations in general
Radio stations finders
Objects and certain meteorological phenomenons like hurricanes, storms, tornados, etc.
 

The VHF 145.010 Mhz work the Venezuela APRS frecuency in YVNET Network

 

APRS Server Core  YV5KXE-JS  ivenezuela

Callsign: YV5KXE-10
Computer Server:
i686 Linux, 2Gb,  320GB HD

Used software:
JavaAPRSSrv
Radio Port: 145.010Mhz @1k2bps 

JNOS APRS IGate

Callsign: YV5KXE-5
Used software:
NOSaprs Linux (JNOS)
Radio Port: 145.010Mhz@1k2bps

APRS UI-View32

Callsign: YV5KXE-8
Computer Server:
ACER, 2Gb, 200GB HD

Used software:
UI-View32
 

APRS Satellite Igate ISS

Callsign: YV5KXE-4
Computer Server:
VAIO, 1Gb, 120GB HD

Used software:
UISSSatGate
Radio Port: 145.800/825Mhz@1k2bps

YV5KXE CW4365 APRS Weather-Station

Callsign: CW4365 (Citizen Weather Observer Program)
Computer Server:
Intel Dual Core, 2 GB RAM, 370GB DD.

Used software:
Weather-Display.

 

www.aprsvenezuela.net

YV5KXE-JS IGate Core

CW4365 Reporte Weather Report

YV5KXE-4 Satellite Igate

YV5KXE-5 JNos Gate

YV5KXE-8 UI-View object processor

Amateur Radio Stations via ISS

 

 

 

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