[GCARC] Testing VARA FM Winlink on 2 meters

[lenrust at gmail.com]

I can connect to both VHF and UHF from home on my FT-991A with an Ed Fong
DBJ-1 antenna. I am about 7 miles from the clubhouse.

My levels seem a little better on VHF though, and I have had some connection
failures on UHF. I will keep testing.

Len
W2LJR

-----Original Message-----
From: gcarc-bounces at mailman.qth.net <gcarc-bounces at mailman.qth.net> On
Behalf Of Jon Pearce
Sent: Sunday, November 28, 2021 9:48 AM
To: GCARC Mail List <gcarc at mailman.qth.net>
Subject: [GCARC] Testing VARA FM Winlink on 2 meters

The Skunkworks team working on the WinLink system is evaluating options for
upgrading the VARA FM system, and specifically whether we should focus on 2
meters or 70 cm as the operating band. Two meters offers greater range but
also presents a significantly greater technical challenge in collocating the
VARA and APRS stations on the same antenna when both operate on the same
wavelength. Solving that problem will involve significant time and cost.
Using 70 cm eliminates that issue but may also limit the range of the
station. Before moving forward with either band we wanted to test the
difference that the frequency made when using the same antenna from the same
location on the remaining section of the Clubhouse VHF tower.

For the next two weeks we've shut down the APRS station and have moved the
VARA FM station to 145.03. Stations who have been working with VARA FM  as
well as anyone else who's interested are encouraged to try connecting to the
W2MMD-3 gateway  on this frequency. This will give us guidance on how to
proceed.

Thanks

73 de Jon WB2MNF

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