Juhanila 145.7875MHz 
13 images in this album.
Gallery: Erik's Image gallery navigate up Album: Ham Radio navigate up Album: OH2CH navigate up

A 2m repeater in test run at Juhanila site. It is a revolutionary split-channel repeater to see will such work in Finland. Channel is 145.7875, channel width 12.5kHz

Measuring the repeater performance and adjusting audio repeat levels.
Measuring the repeater performance and adjusting audio repeat levels.

HP 8920 RF test set and Arcom RC-210 controller under work
HP 8920 RF test set and Arcom RC-210 controller under work

Repeater cabinet.From bottom to top: BSR150 repeater radio, RC-210 controller, IRLP node PC, and on top shelf Cisco WLAN bridge for internet access and UPS
Repeater cabinet.
From bottom to top: BSR150 repeater radio, RC-210 controller, IRLP node PC, and on top shelf Cisco WLAN bridge for internet access and UPS

On bottom of the rack is the DC power system, making 12V out of -48V
On bottom of the rack is the DC power system, making 12V out of -48V

Close-up of the repeater equipment.
Close-up of the repeater equipment.

7/8" cables run to our cabinet from the tower
7/8" cables run to our cabinet from the tower

Back side of the cabinet. We definately need the back wall to hide all this :)
Back side of the cabinet. We definately need the back wall to hide all this :)


Close view of the DC system.
Close view of the DC system.

The tower. RX antenna is at the very top.
The tower. RX antenna is at the very top.

Back-to-back dipoles visible at the top.
Back-to-back dipoles visible at the top.

Can you find the door?
Can you find the door?

View further away from the mast showing it's relation to the neighbourhood.The RX antenna is at 100m AGL (132m ASL), TX-antenna is about 65-70m AGL.
View further away from the mast showing it's relation to the neighbourhood.
The RX antenna is at 100m AGL (132m ASL), TX-antenna is about 65-70m AGL.

Gallery: Erik's Image gallery navigate up Album: Ham Radio navigate up Album: OH2CH navigate up

Powered by Gallery v1