Last Updated= 28/8/2009

VK2JPL

Packet Station

Frequency----------> 144.875 MHz.
Operator -----------> Paul (VK2JPL)
P.M.S. callsign---->VK2JPL-1
Digipeat Vie-------> VK2JPL or VK2JPL-1
Location------------> Lawson- 750m above sea level- (About 80k West of Sydney)
Program------------> TPK
Computer----------> Pentium- 150m CPU IBM (Compatible)
TNC----------------> MFJ 1274
Transceiver-------> Yaesu FT-208R + home brew 15 Watt amp.
Antennae----------> Discone- 14m above ground

Packet Station

VK2RTS

2m Repeater

Callsign--------> VK2RTS

Location-------> Lawson- (approx.) West of Sydney in the Blue Mountains-
750m above sea level.

Frequency----> Transmit--147.325 MHz.
Receive-------> 147.925 MHz.

Transmitter-->Home-brew 25 Watts through 2 hybrid loop cavity notch filters with a total 100dBi rejection on receive frequency
Watts at antenna- (approx.) 12.

Receiver-----> Home-brew double conversion super heterodyne with helical line band-pass filter front-end - through 2 hybrid loop cavity notch filters with a total 100dBi rejection on transmit freq.
( Mute opens 0.2 microvolts )

Controller----> Home-brew

Antenna-------> Home-brew 3 element yagi 90Deg. Beam width- Direction North East from lawson. Rear lobe- 10dB down

Notes----------> The Whole of the design and construction was done by
Ralph VK2ZRG /VK2NR with the assistance of Paul VK2JPL - Except For the Controller Which was designed and constructed by John VK2TJM.

2m Repeater

ATV Repeater

Callsign--------> VK2RTS

Location--------> Lawson- aprox.west of Sydney in the Blue
Mountains- 750m above sea level.

Transmitter

Mode-------------->AM.

Transmitter > (444.25MHz))-Home-brew 40 Watts.
Antennas----> Home-brew 8 over 8- 11 dB gain.


                                                  Receiver
Frequency-----> 1250 MHz. FM NEC 1022a- Extensively Modified.

Notes

Procedure-> Using the 147.325 MHz Voice Repeater
DTMF tones
                        (1) then 2) 444.25Mhz transmitter on and brings
                             up colour bars (timeout if no ATV signal ½ Hr.)
                             1250 MHz. FM Television signal beamed towards                            Lawson the controller will switch over automatically

(3) Switches off the 444.25 MHz transmitter and
closes ATV repeater

(7) Changes bars pattern (Any tone to change back)

(8) Turns colour bars off and allows weak signals to
be received (any tone returns to colour bars)

CLICK FOR-> Coverage maps

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Note The ATV Freq. 426.25 has been withdrawn Within the Sydney area because of a deal between the WIA and ACA (there was no participation or Consolation with the ATV'es affected-(Click to see Map)

(Click to download WIA Document) ( Click to download ACA Document )

Click For

ADVERTISED

SCHEDULE

List Of People That Without Their Participation These Services Would Not Exist

Ralph VK2NR--- Design, construction, and Maintenance- 2m Receiver, Transmitter, Filters, Antenna etc.

John VK2TJM--- Design and construction 2m Controllers

Julie VK2XBR-- Design and construction ATV Transmitters- (Julie is Now a Silent Key)

Dave VK2GIO-- Design and construction ATV Controllers Antennas, Maintenance of ATV Equipment

Michael VK2EK- Construction 1250Mhz Receiver. supply install Coax Cable and Antennas

Paul VK2JPL-- Site and Assisting with the Maintenance of the above

Paul VK2KZO- Supply Colour Bar Generator card and other equipment

Ashley (Trash) VK2XSO- www.satvg.org Site Administrator and Mast Climber \

Click On Logo For information on the Chifley Radio Amateur Club

Click on Link Below For

Ralph VK2ZRG’s Program Page Free for Amateur Radio Operators