Crossing my fingers and hoping that I will see a few more signals from the US mainland and perhaps from Japan and/or down under. Autek Research RF5 VHF Analyst BOTTOM LINE The Autek RF5 is a handy and.
Autek va1 manual#
The new antenna as it stands will be left running tonight. Ham Radio Collection - electronics - by owner Software autek research va1 manual arts. Series resonating the radials may also prove beneficial although that will have to wait until I can order some more variable caps. Still to try is a tophat which I suspect will only increase the noise and also a variable cap between the copper pipe and loading coil which will allow easy tuning and may offset the potential noise increase due to use of a tophat.
![autek va1 autek va1](https://i.ebayimg.com/images/g/kS8AAOSwJYVg23A3/s-l300.jpg)
I was anticipating a roughly 24dB hit on SNR but it appears to be just a bit more than half that figure. Using W1CDO's signal from ~2600 miles distance for comparison the indoor vertical is only 10dB down compared to the outdoor longwire. There is, of course, a hit on signal pickup but less than I anticipated. This is only 3dB noisier than my 135' outdoor long wire at 35' height with L-net tuner. Model VA1 The Autek analyst is the antenna instrument. Classifieds ., hard Pelican case, manual and PC software on CD.
![autek va1 autek va1](https://docplayer.net/docs-images/42/10833829/images/page_17.jpg)
Autek va1 software download#
Uniden udw20055 software download Teku collection. With a bit of judicious sanding and tightening of connections Spectravue reports the noise floor pleasingly low at -120dB RMS. 130 service manual free download Early sign of. I will probably only be able to properly accommodate only 2 radials.Ī test with my Autek VA1 analyzer shows VSWR at 1.5/1 on 10.140MHz. Tomorrow I will purchase some 16 gauge wire to create a better radial system. This is augmented by a connection to the aluminum window frame that runs the length of the apartment (about 35'). Ground reference is provided by a couple of scrap wire radials one of which is close to 24' long. The whole thing supported by a discarded stand fan base. Matching to the input of the SDR-IQ with about 24 turns closewound #20 plastic insulated hookup wire wound on 1/2" schedule 40 PVC pipe immediately below the copper pipe. My 2nd floor bedroom shack is now graced with a 6' indoor vertical using 1/2" hard drawn copper pipe for the antenna. 3 The RF earth comprises of 2 earth 1.2m & 1.9m rods separated by a distance of 2m. An 8 turns coiled-coaxial choke (RG58 5m) was provided at the feed-point.
![autek va1 autek va1](https://i.ebayimg.com/images/g/P98AAOSwXI1hL3ct/s-l300.jpg)
The antenna measurements were taken in the shack at the end of a 10m RG213 coax with a 1.1m section of Mini-8 coax. Review Summary For : AUTEK RESEARCH VA1-RF1-RF5 RF ANALYST Reviews: 109 MSRP: 129. Managed to get to the hardware store today to buy materials. The Autek VA1 shows the antenna also has a min SWR 4.5:1 at 13.28MHz 2.