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POTY dual band feed antenna 2.4 Ghz & 10 Ghz for QO100
The POTY / Patch of the Year is a 2.4/10 Ghz dual-band patch antenna, circular polarized 2400 MHz TX and linear horn antenna 10500 MHz RX with dielectric lens (new cylindrical version for offset dish f/D 0.6) and QO-100 satellite / Es'hail2. Maximum power 100W with SMA connector and 500W with N plug.
Available in 2 versions: In kit to assemble (see documentation below) or already assembled and tested version.
Design: G0MJW, PA3FYM and M0EYT
Manufacturing: PE1CKK
Assembly and adjustment: F4EGG
Optionally available: 40/22mm reduction ring for mounting on LNB support and High-Performance lens.
Delivered with: 1 dielectric lens (new cylindrical version), 1 correction plate, 1 reflector, 1 SMA female SMA connector, 2 M2.5 screws and 1 waveguide.
Comes without LNB PLL head (optional below), compatible models: Avenger, Inverto, RemoteQTH, DX Patrol and Octagon.
Download
POTY antenna mounting manual for the Oscar 100 satellite (QO-100) by F4EGG. 1.55M
Data sheet
Mounting POTY by F4EGG
LNB assembly on the POTY antenna
The quickest and easiest way to mount the POTY antenna on the LNB is to drill a 22mm hole in the plastic cap in front of the LNB and push the POTY waveguide inside.
For a good insertion of the waveguide in the LNB, we recommend according to the LNB model, to weld a reducer 22/16mm in copper, at the end of the tube of the POTY to come to wedge in the bottom of the waveguide.
With silicone sealant, the LNB head will be fixed and waterproof at the cap.
The mounting on the support of the dish is to be done just before the reflective patch, via the tube of the POTY and not via the LNB. A 40/22mm reduction ring is recommended for the proper support of the POTY by the LNB arm.
N Connector usage
It is possible to replace the supplied SMA connector with an N-type connector.
There are 2 additional holes on the reflector plate to fit a female N-type connector with a flat base (the model of connector N which we have in shop is not suitable for mounting on the antenna patch):
The connector is fixed with M2.5 screws. The insulation of the connector must be shortened to 4 mm:
Lens assembly
It may happen that insertion of the lens into the tube can be difficult because some lenses may have a slightly larger diameter or if the tube have a tolerance on the lower side.
The manufacturer recommends in this case to place the lens in the freezer for 1 hour to facilitate insertion.
New lens version
A new version of the lens is available and for better performance on a 60cm dish antenna.
SWR measurement by F4EGG
POTY antenna SWR curve on 2.4 Ghz and measured with the Nanovna V2 SAA2N, at Thierry F4EGG station.
Review from TechMinds
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