dual band quad

Homemade Carolina Windom antenna - Multiband wire antenna by M0UKD

The W2PM Mini Diamond Receiving Flag - This description is taken from the Pete's W2PM posting into Topband reflector.

Tonga DXpedition Award - To gain Tonga DXpedition Award it is necessary to have QSL confirmed contacts with two amateur radio expeditions from Tonga (A35), on two bands, with two diffrent modes. Available also to SWLs

SSTV Nets and Frequencies - SSTV ONLY nets on ham radio bands

Jonathan's QSL Card Page - Mediumwave, shortwave, and amateur bands QSL cards collection

FCC Bandplan  ^{updated  pop} - FCC Frequency Bandplan even if outdated is a good starting point to have a basic frequency list

RSGB HF Data Band Plans - The following frequencies are assigned to datacommunications in the HF bands within the UK By RSGB data communications committee information.

Austria - OEVSV - Oesterreichischer Versuchssenderverband

SV8CS Spiros - Dx on Hf specially on low bands from Zante island Greece

PSK31 Web Receiver - These web receiver based in Kiew Ukraine show PSK31 activity on 20m band 14.070-14.074 MHz remotely by using a web browser. Requires java by the MixW team

RM Italy  ^pop - RM is an Italian company operating in the radio communication field since 1974, main products are: HF-CB-VHF-UHF-Dual Band Amplifier, Power Supply, DC-DC Converters Antennas and more

MARS Antennas - MARS, Israel's Antenna and RF System manufacturer, flat antennas for cellular, military broadband, multiband MF high power antenna

T.G.M. Communications - MQ-1 four band HF beams 20,15,10,6 meters MQ-2 six band HF beams 20,17,15,12,10,6 meters, beam antennas and Hybrid Quad antennas

Adaptive Broadband Corporation - Point-to-point fixed and mobile microwave radios for television and other broadcast requirements

Nott Ltd. - All band 10 thru 80 meters antennas. Park 'n Talk telescoping whip antenna mounts, folded unipole antennas

NSI-N Systems, Inc. - Triple-band (2-2.5 GHz, 6.5-7 GHz, 12-13 GHz) central receive systems with automatic airborne tracking.

GB Antennas and towers - HF VHF/UHF yagi and quad antennas, towers and headphones manufactured in holland

SSTV Frequency list - Where to look on the Bands for SSTV

PSK31 explained - PSK31 bandwidth explained and related links by w5bbr

Online DX Logbook Priority listing - The latest tropical band and shortwave loggings. The site is updated at least once a day with new loggings

FT736 - Tuning control of the Yaesu FT-736R multiband VHF/UHF transceiver.

Spectrogram  ^pop - Shareware dual channel audio spectrum analyzer for Windows 2000/XP which can provide either a scrolling time-frequency display or a spectrum analyzer scope display in real time for any sound source connected to your sound card. Can be used for MTHELL, QRSS and DFCW by R S Horne

70cm GS-23b Amplifier - 1500 watts amplifier for 70 cm band using GS23B /4CX1600U SVETLANA by LZ2US

TVI and BCI Filters - TVI and BCI bandpass and bandstop filters in SMD technique. Schematics and images.

Wide Band FM Tranceiver - 70 and 23 cm wide band FM tranceiver