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Re: advice on ardusimple?

From: Frank Nicholas
Subject: Re: advice on ardusimple?
Date: Sun, 23 Aug 2020 11:46:16 -0400

I have this Sparkfun dual-band antenna, made by uBlox:

• Frequency:
• L1 Band: 1559-1606MHz
• L2/L5 Band: 1197-1249MHz
• Peak gain (over 15cm diameter ground plane):
• L1 Band: 3.5dBic
• L2/L5 Band: 0-2.0dBic

Haven’t done much testing, so not a recommendation for it - just making you aware..


On Aug 23, 2020, at 11:10 AM, Greg Troxel <> wrote:

I have been thinking about getting an F9P for a while.  (I realize it's
not the magic infinite performance device some make it out to me.)
Besides the built-in RTK, I am interested in dual-frequency carrier
phase for OPUS and NRCAN PPP (including dynamic post-processed PPP for
trail mapping) as well as rtklib use.

It seems there are multiple options for the module on a board with
micro-USB, and then there is the antenna issue.  I am considering one of
the following boards and an antenna.   This antenna is more than the
non-calibrated one, but still vastly less than anything from Trimble.

There is also sparkfun:

 but they do not seem to have dual-band antennas


 any positive experiences with ardusimple, or any reason to avoid (on
 list if you are comfortable, private hints welcome if not)

 any reason to prefer the v3 board if I am intending to connect a RPI3
 to this and not necessarily use high-power xbee?

 what else should I be looking at instead?  (If I want F9P and
 survey-grade antenna)


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