Repeater Updates log

from Steve VK2KFJ

November 2006 70cm rptr on air on temporary antenna and under test. 2m rptr pager interference fixed again.

31 August 2003 6m Rx and 70cm rptr removed from tower, first length of LDF5 cable run and connected to 70cm rptr antenna.

June 2003 2m interference, short bursts reappeared, keying the repeater randomly, same as seen late 2001 and early 2002, source located and fixed. See the VK2RMB Interference Report. Found 70cm Tx PA dead. New Rptr backup batteries added. Some FM-814-A's sourced to replace existing 2m rptr, began sourcing FM814/815 replacements for 6m and 70cm rptrs and a transceiver for the 10m gateway.

Autumn 2003 70cm rptr died, nil response from it, was deteriorating for some time now.

Spring 2002 6m rptr off air, RX died.

March 2002 interference to 2m rptr started again, two types of noise, short white noise bursts and modulated interference, coinciding with the rain. See the VK2RMB Interference Report. Problems resolved Sept 2002.

Sept 2001 added Rptr Signal report page, See the VK2RMB Signal Report to keep a record of changes to rptr antenna coverage

26th August 2001 2m rptr dipoles removed for repair, Diamond X200 vertical installed.

August 2001,  2m rptr plagued by noise bursts from pager across the road. short white noise bursts and modulated interference, coinciding with the rain. See the VK2RMB Interference Report. Problem fixed end of Sept 2001.

May 18th 2001 the MWRS 6 meter repeater (Sydney's first 6 metre repeater) is back on air after a prolonged absence, due to an unfortunate sequence of technical problems with the receiver and the antenna. These problems have now all been rectified.

Feb 2001 new mounts installed for the 6m repeater RX aerial and original j-pole re-installed.

Sat 20th Jan 2001 70cm repeater had dodgy cable replaced and packing modified. External battery disconnect switch installed. Put back in position and service.

Oct 4th 2000 Repeater battery replaced with new 70Ah Hawker battery

Mon 2nd Oct 2000 6m Rx Aerial & mast removed from tower for modifcation to mast to stop twisting

 15th to Nov 2nd 2000, operating our rptrs as AX2RMB to commemorate the Sydney 2000 Olympics -- Dom, VK2JNA

March 2000 VK2RMB 29.120 gateway now licensed, next job is get it on air. Freq shared with 3 other gateways.

Feb 2000 interference to 2m rptr, by illegal persons.See the VK2RMB Interference Report.

Repeater controller under reconstruction to allow linking between repeaters, probably 2 and 70 linked permanently, with options for 6m and 10m

Broadcast receiver being built, for connection to 70cm rptr and possibly the 6m rptr, to relay WIA NSW broadcast on Sundays.

VK2RMB 438.175 operational, VK2WI Sunday Broadcast relay is planned for 2000. Oct 99 off air for overhaul. returned to air on 29-April-2000, but Rx suddenly deaf

VK2RMB 146.875 repeater, Oct 99 suffering interference from a broadcast station. Fixed Feb 2000 pager causing problem. See Dom's dissertation about this intermod on his hampage. May 2000 found antennas need overhaul.

VK2RMB 53.675 repeater, failed at start of Dec 98, problem is dead receiver. Still off air. Oct99 Rcvr and antenna repaired, awaiting reinstallation. (Returned to service on 6-May-2000.)

>