ROCK HILL HAMFEST 2021

Date: 02 October 2021
Location: Newkirk Baptist Church, Museum Road, Rock Hill, SC 29732
Hours: 8:00 am – ?
Sponsor: York County Amateur Radio Society
VE Testing: TBD
Talk-In: 147.030 (-)
For more information contact John Gendron, NJ4Z, at P.O. Box 4141 CRS Rock Hill, SC 29732, (704) 649-2210, or NJ4Z@yahoo.com

C.A.R.E.S. Hamfest 2021

The Carolina Amateur Radio Emergency Services Club will hold their 2021 Hamfest on 23 October 2021 from 8:00 am until 3:00 pm at Southside Baptist Church, 204 W. O’Neal St. in Gaffney, SC 29340. The talk-in frequency is 145.150 no tone. For more information call (864) 487-0108.

Multi-band Dipole Dimensions

TWO-BAND DESIGNS

                                     TWO-BAND DESIGNS
Bands Radiator    Ladder Line      Lower Resonance     Upper Resonance
            Length (ft)  Length (ft)        Freq (MHz)  SWR    Freq (MHz)  SWR       
                                  VF = 0.9
75/40    144.83          89.50               3.87                1.8       7.25                1.6
30/17       54.75         36.17              10.12               1.8     18.12                1.3
20/17       77.67         76.17              14.13               1.7     18.11                1.6
20/15       51.00         50.67              14.17               1.1     21.27                1.2
20/12       68.00         46.67              14.15               1.7     24.92                1.5
17/12       28.58         46.67              18.11               1.6     24.95                1.5
17/10       33.33         62.50              18.08               1.8     28.42                1.8
15/10     102.00         70.50              21.25               1.0     28.32                1.3
10/6         16.50          33.42             28.40               1.4    50.10                 1.3


THREE-BAND DESIGNS
Bands     Radiator Ladder Line      First Res       Second Res.    Third Res.
                 Length           Length           Freq  SWR Freq   SWR      Freq SWR
                   (ft)             (ft, VF=0.9)      (MHz)             (MHz)            (MHz)
40/20/10   93.17              40.67              7.08   1.1         14.08   1.3      28.57   1.5
40/17/10   78.00              51.50              7.09   1.7         18.11   1.7      28.60   1.1
40/15/10   61.00              68.50              7.07   1.0         21.11   1.1      29.41   1.3
20/15/10   44.75              51.67            14.30   1.3         21.26   1.0      28.21   1.3
20/10/6     45.83              19.63            14.25   1.1         28.40   1.0      50.20   1.3
 

     

JTAlert Intro/Tutorial

JTAlert is a great program that works with WSJT-X with a ton of features for a small application. Automate your FT8 logging into your favorite electronic log from WSJT-X and help keep up with your DXCC, WAS, WAC, WAZ, and many others at a glance and get alerts when something you need us on.

FT8 Intro/Tutorial with WSJT-X

A Video from our Technical Coordinator on WSJT-X and the new and exciting mode of FT8!