These Hemisphere GNSS 500-1210-004# antenna / pre-amp boards (bulk, bare) with no outdoor fiberglass enclosure appear to be same size used in A21 model. Good for experimenter. https://hemispheregnss.com/Products/Products/Peripherals/a21e284a2-antenna-135 Hemisphere GNSS is HQ in Scottsdale, AZ Seller has eight (8) on the auction. eBay auction: 142354760357 greg, w9gb Sent from iPad Air

Hi I think I’d wait for the next batch of “new old stock” telecom L1 only GPS antennas to show up. I’d bet they will be roughly the same price. At least with them you also get the enclosure. They do show up in various conditions at various prices: https://www.ebay.com/itm/Panasonic-VIC100-GPS-L1-Active-Antenna-CCAH32ST03-with-Mounting-Bracket/263031184915?hash=item3d3de15e13:g:KO8AAOSw-89ZPHeq <https://www.ebay.com/itm/Panasonic-VIC100-GPS-L1-Active-Antenna-CCAH32ST03-with-Mounting-Bracket/263031184915?hash=item3d3de15e13:g:KO8AAOSw-89ZPHeq> https://www.ebay.com/itm/Lot-of-2-Panasonic-VIC100-GPS-L1-Active-Antenna-CCAH32ST04-W-Pole-Mount-Bracket/323048812645?_trkparms=aid%3D222007%26algo%3DSIM.MBE%26ao%3D2%26asc%3D48419%26meid%3D97afb35c12c949eea12f3722cb123e00%26pid%3D100005%26rk%3D3%26rkt%3D6%26sd%3D263031184915%26itm%3D323048812645&_trksid=p2047675.c100005.m1851 <https://www.ebay.com/itm/Lot-of-2-Panasonic-VIC100-GPS-L1-Active-Antenna-CCAH32ST04-W-Pole-Mount-Bracket/323048812645?_trkparms=aid=222007&algo=SIM.MBE&ao=2&asc=48419&meid=97afb35c12c949eea12f3722cb123e00&pid=100005&rk=3&rkt=6&sd=263031184915&itm=323048812645&_trksid=p2047675.c100005.m1851> https://www.ebay.com/itm/PCTEL-GPS-L1-26dB-TIMING-ANTENNA-KIT-GPS-TMG-26N-W-Mount-Kit/263472818898?epid=2256151071&hash=item3d58342ad2:g:KU0AAOSw8gVX3BPx <https://www.ebay.com/itm/PCTEL-GPS-L1-26dB-TIMING-ANTENNA-KIT-GPS-TMG-26N-W-Mount-Kit/263472818898?epid=2256151071&hash=item3d58342ad2:g:KU0AAOSw8gVX3BPx> https://www.ebay.com/itm/PCTEL-GPS-26dB-Outdoor-Antenna-GPS-TMG-26N/282719724915?epid=2256151071&hash=item41d368a573:g:J~0AAOSwI8lZ~MMh <https://www.ebay.com/itm/PCTEL-GPS-26dB-Outdoor-Antenna-GPS-TMG-26N/282719724915?epid=2256151071&hash=item41d368a573:g:J~0AAOSwI8lZ~MMh> Bob > On Feb 16, 2018, at 9:03 PM, Gregory Beat <w9gb@icloud.com> wrote: > > These Hemisphere GNSS 500-1210-004# antenna / pre-amp boards (bulk, bare) with > no outdoor fiberglass enclosure appear to be same size used in A21 model. > Good for experimenter. > https://hemispheregnss.com/Products/Products/Peripherals/a21e284a2-antenna-135 > Hemisphere GNSS is HQ in Scottsdale, AZ > > Seller has eight (8) on the auction. > eBay auction: 142354760357 > > greg, w9gb > Sent from iPad Air > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there.