Evan Haydon
2009 7 Tube Superhet

Description

In this contest last year I used my crystal radio. I built a new radio for this year’s contest. It is a seven tube super-heterodyne. The tube line up is as follows: 6SG7 tuned RF amplifier, 6SA7 mixer, 6J5 oscillator, 6SK7 IF (262 kcs) amplifier, 6SQ7 detector/agc/first audio amplifier, 6F6 audio output, and 6E5 tuning eye.

I was setting parts aside for this project for a couple of years. I built it in late June and early July of this year. The dial is from a 1930’s Weston signal generator. The circuit is basically a Zenith 5905 chassis from 1937. It works very well as it has great sensitivity and selectivity.

I set up for listening in my back yard with my home made loop antenna for part of the time. The loop is a dual FET amplified loop that works excellent with this radio. It is made of solid oak and is two feet across on each side.

The conditions for the summer contest were typical summer conditions with some storms and mostly weaker signals. Attached are four pictures of my radio.

Evan Haydon
4308 N 15th St
Lincoln, NE. 68521






Pictures











Log

   
7/24
1…...1528.…..KWMT…..540.….Fort Dodge, IA
2…...1529.…..KFRM..….550.….Salina, KS.
3…...1530.…..WNAX…..570.….Yankton, SD.
4…...1530.…..WIB….…..580.….Topeka, KS.
5.…..1531.…..KXSP……590.…..Omaha, NE.
6.…..1531.…..KCSP……610.…..Kansas City, MO.
7.…..1532.…..KMNS.…..620.…..Sioux City, IA.
8.…..1532.…..WOI……..640.…..Ames, IA.
9.…..1533.…..KCRO……660.….Omaha, NE.
10.…1533.…..KFEQ…….680.….St. Joseph, MO.
11.…1534.…..KGGF……690.…..Coffeyville, KS.
12.…1535.…..KCMO..…710...…Kansas City, MO.
13.…1536.…..KWOA…..730.…..Worthington, MN.
14.…1537.…..KLOE……730.…..Goodland, KS.
15.…1540.…..KMMJ……750.….Grand Island, NE.
16.…1541.…..KCCV……760.…..Overland Park, KS.
17.…1541.…..WJAG……780.…..Norfork, NE.
18.…1542.…..KXXX……790.…..Colby, KS.
19.…1543.…..KQAD……800.…..Luverne, MN.
20.…1544.…..WHB……..810.…..Kansas City, MO.
21.…1545.…..KTIC……..840.…..West Point, NE.
22.…1546.…..KRVN……880.…..Lexington, NE.
23.…1547.…..KGGN……890.…..Gladstone, MO.
24.…1547.…..KJSK…….900.…..Columbus, NE.
25.…1548.…..KINA…….910.…..Salina, KS.
26.…1548.…..KYFR……920.…..Shenandoah, IA.
27.…1549.…..KPSZ…….940.…..Des Moines, IA.
28.…1551.…..KJAG……950.…..Newton, KS.
29.…1552.…..KMA…….960.…..Shenandoah, IA.
30.…1553.…..KYDZ…..1020.…..Plattsmouth, NE.
31.…1554.…..WHO…….940.…..Des Moines, IA.
32.…1555.…..KOAK…..980.……Red Oak, IA.
33.…1556.…..KFAB…..1110.…..Omaha, NE.
34.…1557.…..KSAL…..1150.…..Salina, KS.
35.…1558.…..KOIL……1180.…..Omaha, NE.
36.…1559.…..KVSV…..1190.…..Beloit, KS.
37.…1600.…..KJAN..…1220.…..Atlantic, IA.
38.…1600.…..KFOR…..1240.…..Lincoln, NE.
39.…1601.…..KFFF……1260.…..Boone, IA.
40.…1602.…..KNWC….1270.…..Sioux Falls, SD.
41.…1602.…..KKAR…..1290.…..Omaha, NE.
42.…1603.…..KGMT…..1310.…..Fairbury, NE.
43.…1603.…..KHUB…..1340.…..Fremont, NE.
44.…1607.…..KAWL…..1370.…..York, NE.
45.…1608.…..KLIN…..1400.…..Lincoln, NE.
46.…1609.…..KOTK….1420.…..Omaha, NE.
47.…1609.…..KRGI…..1430.…..Grand Island, NE.
48.…1610.…..KWBE….1450.…..Beatrice, NE.
49.…1612.…..KXPN…..1460.…..Kearney, NE.
50.…1612.…..KLMS…..1480.…..Lincoln, NE.
51.…1614.…..KOMJ…..1490.…..Omaha, NE.
52.…1614.…..KTTT…..1510.…..Columbus, NE.
53.…1615.…..KSIB……1520.…..Creston, IA.
54.…1617.…..KICS……1550.…..Hastings, NE.
55.…1618.…..KLNG…..1560.…..Council Bluffs, IA.
56.…1618.…..KTCH…..1590.…..Wayne, NE.
57.…1619.…..KNCY…..1600.…..Nebraska City, NE.
58.…1620.…..KOZN…..1620.…..Omaha, NE.
59.…1625.…..KXEL…..1540.…..Waterloo, IA.
60.…1633.…..KDSN…..1530.…..Denison, IA.
61.…1637.…..KSCJ……1360.…..Sioux City, IA.
62.…1659.…..KNLV…..1060.…..Ord, NE.
63.…1707.…..KSFT…..1550.…..St. Joseph, MO.
64.…1711.…..KSOO…..1140.…..Sioux Falls, SD.
65.…1714.…..KFTI……1070.…..Wichita, KS.
66.…1715.…..KAYL…..990.……Storm Lake, IA.
67.…1723.…..KWTO….560.……Springfield, MO.
68.…1740.…..KCNZ…..1650.…..Cedar Falls, IA.
69.…1933.…..KSTP……1500.….St. Paul, MN.
70.…1936.…..WKSH…..1640.…..Sussex, WI.
71.…1938.…..WTDY…..1670.…..Madison, WI.
72.…1943.…..KNSS…..1330.……Tulsa, OK.
73.…1950.…..KFAQ…..1170..…..Tulsa, OK.
74.…1954.…..KBJD…...1650.…..Denver, CO.
7/25
75.…1243.…..KMAN….1350.…..Manhattan, KS.
76.…1951.…..KGYN…..1210.…..Guymon, OK.
77.…2004.…..KKGM…..1630.…..Ft. Worth, TX.
78.…2005.…..KCJJ…….1630.…..Iowa City, IA.
79.…2006.…..KNID……1640.…..Enid, OK.
80.…2008.…..KXTD…..1530.…..Wagoner, OK.
81.…2009.…..WCKY….1530.…..Cincinnati, OH.
82.…2010.…..KOKC…..1520.…..Oklahoma City, OK.
83.…2013.…..KAKC…..1300.…..Tulsa, OK.
84.…2030.…..WOAI…..1200.…..San Antonio, TX.
85.…2031.…..KMOX….1120.…..St. Louis, MO.
86.…2035.…..WMVP….1000.…..Chicago, IL.
87.…2037.…..KQAQ…...970.……Austin, MN.
88.…2041.…..WWL……870.……New Orleans, LA.
89.…2042.…..KKOW…..860.…..Pittsburg, KS.
90.…2044.…..WCCO…..830.…..Minneapolis, MN.
91.…2045.…..WBAP…..820.…..Ft. Worth, TX.
92.…2112.…..WPRR…..1680.…..Ada, MI.
93.…2118.…..KRJO……1680.…..Monroe, LA.
94.…2126.…..KXNO…..1460.…..Des Moines, IA.
95.…2127.…..KZQZ..…1430.…..St. Louis, MO.
96.…2130.…..KTOE…..1420.…..Mankato, MN.
97.…2131.…..WSDZ….1260.…..Belleville, IL.
98.…2134.…..KAAY….1090.…..Little Rock, AR.
99.…2150.…..CBW……990.…..Winnipeg, MB. Canada
100...2155.…..WKY……930.…..Oklahoma City, OK.
101...2156.…..WLS……890.…..Chicago, IL.
102...2157.…..KOA……850.…..Denver, CO.
103...2157.…..WHAS….840.…..Louisville, KY.
104...2158.…..WAYY….790.…..Eau Claire, WI.
105...2158.…..WBBM….680.…..Chicago, IL.
106...2159.…..WJR…….760.…..Detroit, MI.
107...2159.…..WSB……750.…..Atlanta, GA.
108...2200.…..WGN..…720.…..Chicago, IL.
109...2200.…..KEEL…..710.…..Shreveport, LA.
110...2201.…..WLW…..700.…..Cincinnati, OH.
111...2201.…..WSCR….670.…..Chicago, IL.
112...2203.…..WBHR….660.…..Sauk Rapids, MN.
113...2203.…..WSM……650.…..Nashville, TN.
114...2209.…..WMT…..600.…..Cedar Rapids, IA.
115...2220.…..KRWZ….950.…..Denver, CO.
116...2222.…..KRLD….1080.…..Dallas, TX.
117...2225.…..KSL…….1160.…..Salt Lake City, UT.
118...2230.…..WBIG…..1280.…..Aurora, IL.
119...2234.…..CKDO…..1580.…..Oshawa, ON. Canada
120...2235.…..CHHA…..1610.…..Toronto, ON. Canada
121...2237.…..WTAW….1620.…..College Station, TX.
122...2241.…..KRND…..1630.…..Fox Farm, WY.
123...2247.…..WFSM…..1670.…..Dry Branch, GA.
124...2252.…..KXTR…..1660.…..Kansas City, KS.
125...2254.…..KXOL…..1660.…..Brigham City, UT.
126...2300.…..KGYM….1600.…..Cedar Rapids, IA.
127...2303.…..KVGB…..1590.…..Great Bend, KS.
128...2309.…..KAPE…..1550.…..Cape Girardeau, MO.
129...2325.…..CHWO….740.…..Toronto, ON. Canada
130...2328.…..KNBR…..680.…..San Francisco, CA.
131...2330.…..KTNN…..660.…..Window Rock, AZ.
132...2334.…..KTRS…..550.…..St. Louis, MO.
133...2336.…..CBK……540.…..Regina, SK. Canada
134...2341.…..KTSM…..690.…..El Paso, TX.
135...2343.…..CBKF-2.…860.…..Saskatoon, SK. Canada
136...2345.…..KTOK…..1000.…..Oklahoma City, OK.
137...2355.…..WRHL…..1060.…..Rochelle, IL.
7/26
138...2035.…..KBCV……1570.…..Hollister, MO.
139...2040.…..KCTE……1510.…..Independence, MO.
140...2059.…..KRCN……1060.…..Longmont, CO.
141...2108.…..KHAT……1210.…..Laramie, WY.
142...2114.…..WGEM…..1440.…..Quincy, IL.
143...2119.…..KAMI……1580.…..Cozad, NE.
144...2125.…..KSIR…….1010.…..Brush, CO.
145...2127.…..WBCK…..930.……Battle Creek, MI.
146...2129.…..KBHB……810.…..Sturgis, SD.
147...2132.…..CKLW…...800.…..Windsor, ON. Canada
148...2135.…..KTWO…..1020.…..Casper, WY.
149...2148.…..KGOW…..1560.…..Bellaire, TX.
150...2155.…..XERF……1570.…..Acuna, Mexico
151...2200.…..KCJB…….910.…..Minot, ND.
152...2204.…..KRMG…...740.…..Tulsa, OK.
153...2232.…..KQCV……800.…..Oklahoma City, OK.
154...2235.…..KNTH……1070.…..Houston, TX.
155...2243.…..KDKA…..1020.…..Pittburgh, PA.
156...2257.…..WWLS…..640.……Moore, OK.
157...2303.…..CFSL……1190.…..Weyburn, SK. Canada
7/27
158...2047.…..KWSL…..1470.…..Sioux City, IA.
159...2051.…..KTNO…..1440.…..University Park, TX.
160...2053.…..KELO…..1320.…..Sioux Falls, SD.
161...2057.…..KOKA….980.…..Shreveport, LA.
162...2100.…..WORD….950.…..Spartanburg, SC.
163...2106.…..WGBF….1280.…..Evansville, IN.
164...2109.…..WAIK…..1590.…..Galesburg, IL.
165...2153.…..WTAD….930.……Quincy, IL.
166...2200.…..KZMQ….1140.…..Greybull, WY.
167...2212.…..KOKK…..1210.…..Huron, SD.
168...2215.…..WIRL……1290.…..Peoria, IL.
7/28
169...1155.…..KAAN……870.…..Bethany, MO.
170...1157.…..KOGA……930.…..Ogallala, NE.
171...1159.…..KJLT…….970.……North Platte, NE.
172...1222.…..KCNI……1280.…..Broken Bow, NE.
173...1305.…..KLTT……670.……Commerce City, CO.
174...1331.…..KFYR……550.…..Bismarck, ND.
175...1908.…..KPHN…..1190.…..Kansas City, MO.
176...1922.…..KGNM…..1270.…..St. Joseph, MO.
177...1954.…..KFAY……1030.…..Farmington, AR.
178...1959.…..KMBZ…….980.…..Kansas City, MO.
179...2011.…..KWKH…..1130.…..Shreveport, LA.
180...2017.…..KBRL……1300.…..McCook, NE.
181...2024.…..KSUM……1370.…..Fairmont, MN.
182...2027.…..KCNW……1380.….Fairway, KS.
183...2059.…..WGTK……970.……Louisville, KY.
184...2106.…..CMHI…….570.……Santa Clara, Cuba
185...2108.…..KMXA…...1090.…..Aurora, CO.
186...2111.…..WKBF……1270.…..Rock Island, IL.
187...2147.…..WVON……1690.…..Berwyn, IL.
188...2150.…..KBGG……1700.…..Des Moines, IA.
189...2151.…..KDDZ……1690.…..Arvada, CO.
190...2155.…..KKLF……1700.…..Richardson, TX.
191...2225.…..KVEL…….920.……Vernal, UT.
192...2233.…..KBUF……1030.…..Holcomb, KS.
193...2238.…..KYW…….1060.…..Philadelphia, PA.
7/29
194...0928.…..KVTK……1570.…..Vermillion, SD.
195...1833.…..KKOB……770.…...Albuquerque, NM.
196...1846.…..KGLO……1300.…..Mason City, IA.
197...1854.…..KRNT……1350.…..Des Moines, IA.
198...1928.…..KCIM……1380.…..Carroll, IA.
199...1940.…..KWLO…..1330.…..Waterloo, IA.
200...2004.…..KCWJ……1030.…..Blue Springs, MO.
201...2026.…..KJSL…….630.…..St. Louis, MO.
202...2055.…..KXEN…..1010.…..St. Louis, MO.
203...2104.…..WHAM….1180.…..Rochester, NY.
204...2235.…..KKHK…..1250.…..Kansas City, KS.
205...2251.…..CHRB…..1140.…..High River, AB. Canada
206...2300.…..CKRM….620.……Regina, SK. Canada
207...2321.…..KDDR….1220.…..Oakes, ND.
7/30
208...2100.…..WIBA…..1310.…..Madison, WI.
209...2107.…..WPRE…..980.……Praire du Chien, WI.
210...2123.…..KKDA…..730.…..Grand Praire, TX.
7/31
211...1507.…..KMAJ…..1440.…..Topeka, KS.
212...1525.…..KLOH…..1050.…..Pipestone, MN.
8/1
213...2144.…..KVIS…....910.…..Miami, OK.
214...2206.…..KDHL…..920.…..Fairbault, MN.
215...2216.…..KOLT…..1320.…..Scottsbluff, NE.
216...2230.…..CKOC….1150.…..Hamilton, ON. Canada
8/3
217...1920.…..KYNT…..1450.…..Yankton, SD.
218...1932.…..KHMO….1070.…..Hanibal, MO.
219...1956.…..KQWB…..1660.…..West Fargo, ND.
220...2021.…..KUVR…..1380.…..Holdrege, NE.
221...2052.…..KQPN….. 730.…..West Memphis, AR.
222...2100.…..WKMI…..1360.…..Kalamazoo, MI.
223...2109.…..WTAM….1100.…..Cleveland, OH.
224...2205.…..KOKB…..1580.…..Blackwell, OK.
225...2210.…..WNQM….1300.…..Nashville, TN.
226...2214.…..WDAY…..970.……Fargo, ND.
8/4
227...1755.…..KNDY…..1570.…..Marysville, KS.
228...1900.…..KBOE……740.…..Oskaloosa, IA.
229...1935.…..WCRT…..1160.…..Donelson, TX.
230...1944.…..WYLL…..1160.…..Chicago, IL.
231...2148.…..WDXI…..1310.…..Jackson, TN.
232...2158.…..KFKA…..1310.…..Greeley, CO.
233...2220.…..KMKI….. 620.……Plano, TX.
234...2222.…..XEROK…800.……Cuidad Juarez, Mexico
235...2243.…..KCKK….1510.…..Littleton, CO.
8/5
236...0659..….KJUA…..1380.…..Cheyenne, WY.
237...2133.…..CFTR…..680.……Toronto, ON. Canada
238...2317.…..CFRW…1290.…..Winnipeg, MB. Canada
239...2348.…..KATZ….1600.…..St. Louis, MO.
8/6
240...0006.…..WLPO….1220.…..LaSallle, IL.
241...0033.…..CKBI……900.…..Prince Albert, SK. Canada
242...2025.…..KIXZ……940.…..Amarillo, TX.
243...2033.…..KVSH…..940.…..Valentine, NE.
244...2046.…..KRMO….990.…..Cassville, MO.
245...2111.…..WXNT….1430.….Indianapolis, IN.
8/7
246...2036.…..KNAB…..1140.….Burlington, CO.
247...2050.…..WROK….1440.…..Rockford, IL.
248...2136.…..KZRG…..1310.…..Joplin, MO.
8/8
249...1927.…..KOWZ….1170.…..Waseca, MN.
250...1955.…..KCAB…..980.……Dardanelle, AR.
251...2000.…..KWYR….1260.…..Winner, SD.
252...2010.…..KFAN…..1130.…..Minneapolis, MN.
253...2020.…..KASM…..1150.…..Albany, MN.
254...2052.…..KFAL……900.…..Fulton, MO.
255...2217.…..WMIX…..940.……Mount Vernon, IL.