#nanovna — Public Fediverse posts

I'm testing out a wireless #IEM system, and figured I'd start with measuring the #antennas.

First off, the body pack (receiver) SWR is fairly poor because the frequency centre is way too
high, starting past the usable range of the system (photo 1).

Junk! Or is it?

I placed the antenna close to my body, and the frequency centre slid down to where I'd expect it and the SWR improved (photo 2).

This is interesting! These bodypacks are often worn - surprisingly - on the body, so it would make sense to tune the antenna to compensate for this.

However, sometimes an IEM pack might be attached to a guitar strap, or sitting on a table, or even hidden in a set piece.

I now need to test for the difference in reception between open-air and close to the body.

#stageCraft #nanoVNA #rf

I'm testing out a wireless #IEM system, and figured I'd start with measuring the #antennas.

First off, the body pack (receiver) SWR is fairly poor because the frequency centre is way too
high, starting past the usable range of the system (photo 1).

Junk! Or is it?

I placed the antenna close to my body, and the frequency centre slid down to where I'd expect it and the SWR improved (photo 2).

This is interesting! These bodypacks are often worn - surprisingly - on the body, so it would make sense to tune the antenna to compensate for this.

However, sometimes an IEM pack might be attached to a guitar strap, or sitting on a table, or even hidden in a set piece.

I now need to test for the difference in reception between open-air and close to the body.

#stageCraft #nanoVNA #rf

I'm testing out a wireless #IEM system, and figured I'd start with measuring the #antennas.

First off, the body pack (receiver) SWR is fairly poor because the frequency centre is way too
high, starting past the usable range of the system (photo 1).

Junk! Or is it?

I placed the antenna close to my body, and the frequency centre slid down to where I'd expect it and the SWR improved (photo 2).

This is interesting! These bodypacks are often worn - surprisingly - on the body, so it would make sense to tune the antenna to compensate for this.

However, sometimes an IEM pack might be attached to a guitar strap, or sitting on a table, or even hidden in a set piece.

I now need to test for the difference in reception between open-air and close to the body.

#stageCraft #nanoVNA #rf

I'm testing out a wireless #IEM system, and figured I'd start with measuring the #antennas.

First off, the body pack (receiver) SWR is fairly poor because the frequency centre is way too
high, starting past the usable range of the system (photo 1).

Junk! Or is it?

I placed the antenna close to my body, and the frequency centre slid down to where I'd expect it and the SWR improved (photo 2).

This is interesting! These bodypacks are often worn - surprisingly - on the body, so it would make sense to tune the antenna to compensate for this.

However, sometimes an IEM pack might be attached to a guitar strap, or sitting on a table, or even hidden in a set piece.

I now need to test for the difference in reception between open-air and close to the body.

#stageCraft #nanoVNA #rf

I'm testing out a wireless #IEM system, and figured I'd start with measuring the #antennas.

First off, the body pack (receiver) SWR is fairly poor because the frequency centre is way too
high, starting past the usable range of the system (photo 1).

Junk! Or is it?

I placed the antenna close to my body, and the frequency centre slid down to where I'd expect it and the SWR improved (photo 2).

This is interesting! These bodypacks are often worn - surprisingly - on the body, so it would make sense to tune the antenna to compensate for this.

However, sometimes an IEM pack might be attached to a guitar strap, or sitting on a table, or even hidden in a set piece.

I now need to test for the difference in reception between open-air and close to the body.

#stageCraft #nanoVNA #rf